Home / 52,090.28-71,891.14-29,430.40

Finding the Fourth Proportional to 52,090.28, 71,891.14 and 29,430.40

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Solution

The fourth proportional to 52,090.28, 71,891.14 and 29,430.40 is: 40,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.28 : 71,891.14 = 29,430.40 : x
  2. Step 2: Convert to fraction form
    52,090.28/71,891.14 = 29,430.40/x
  3. Step 3: Cross multiply
    52,090.28x = 71,891.14 × 29,430.40
  4. Step 4: Simplify right side
    52,090.28x = 2,115,785,006.66
  5. Step 5: Solve for x
    x = 2,115,785,006.66/52,090.28
  6. Step 6: Final answer
    x = 40,617.65

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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.