Home / 42,781.19-58,976.29-29,331.14

Finding the Fourth Proportional to 42,781.19, 58,976.29 and 29,331.14

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Solution

The fourth proportional to 42,781.19, 58,976.29 and 29,331.14 is: 40,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,781.19 : 58,976.29 = 29,331.14 : x
  2. Step 2: Convert to fraction form
    42,781.19/58,976.29 = 29,331.14/x
  3. Step 3: Cross multiply
    42,781.19x = 58,976.29 × 29,331.14
  4. Step 4: Simplify right side
    42,781.19x = 1,729,841,818.67
  5. Step 5: Solve for x
    x = 1,729,841,818.67/42,781.19
  6. Step 6: Final answer
    x = 40,434.64

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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.