Home / 31,192.81-43,046.19-17,045.66

Finding the Fourth Proportional to 31,192.81, 43,046.19 and 17,045.66

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Solution

The fourth proportional to 31,192.81, 43,046.19 and 17,045.66 is: 23,523.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192.81 : 43,046.19 = 17,045.66 : x
  2. Step 2: Convert to fraction form
    31,192.81/43,046.19 = 17,045.66/x
  3. Step 3: Cross multiply
    31,192.81x = 43,046.19 × 17,045.66
  4. Step 4: Simplify right side
    31,192.81x = 733,750,503.80
  5. Step 5: Solve for x
    x = 733,750,503.80/31,192.81
  6. Step 6: Final answer
    x = 23,523.07

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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.