Home / 42,854.64-59,136-23,989.20

Finding the Fourth Proportional to 42,854.64, 59,136 and 23,989.20

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Solution

The fourth proportional to 42,854.64, 59,136 and 23,989.20 is: 33,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,854.64 : 59,136 = 23,989.20 : x
  2. Step 2: Convert to fraction form
    42,854.64/59,136 = 23,989.20/x
  3. Step 3: Cross multiply
    42,854.64x = 59,136 × 23,989.20
  4. Step 4: Simplify right side
    42,854.64x = 1,418,625,331.20
  5. Step 5: Solve for x
    x = 1,418,625,331.20/42,854.64
  6. Step 6: Final answer
    x = 33,103.19

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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.