Home / 31,685.61-43,679.57-24,118.76

Finding the Fourth Proportional to 31,685.61, 43,679.57 and 24,118.76

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Solution

The fourth proportional to 31,685.61, 43,679.57 and 24,118.76 is: 33,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,685.61 : 43,679.57 = 24,118.76 : x
  2. Step 2: Convert to fraction form
    31,685.61/43,679.57 = 24,118.76/x
  3. Step 3: Cross multiply
    31,685.61x = 43,679.57 × 24,118.76
  4. Step 4: Simplify right side
    31,685.61x = 1,053,497,190.01
  5. Step 5: Solve for x
    x = 1,053,497,190.01/31,685.61
  6. Step 6: Final answer
    x = 33,248.44

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Find fourth proportional to 15,842.81, 21,839.79 and 12,059.38
Half scale
Find fourth proportional to 63,371.23, 87,359.14 and 48,237.53
Double scale
Find fourth proportional to 31,686.61, 43,680.95 and 24,119.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.