Home / 31,034.61-42,781.85-24,220.91

Finding the Fourth Proportional to 31,034.61, 42,781.85 and 24,220.91

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Solution

The fourth proportional to 31,034.61, 42,781.85 and 24,220.91 is: 33,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,034.61 : 42,781.85 = 24,220.91 : x
  2. Step 2: Convert to fraction form
    31,034.61/42,781.85 = 24,220.91/x
  3. Step 3: Cross multiply
    31,034.61x = 42,781.85 × 24,220.91
  4. Step 4: Simplify right side
    31,034.61x = 1,036,215,338.48
  5. Step 5: Solve for x
    x = 1,036,215,338.48/31,034.61
  6. Step 6: Final answer
    x = 33,389.02

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Half scale
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Double scale
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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.