Home / 42,020.64-57,963.60-29,501.28

Finding the Fourth Proportional to 42,020.64, 57,963.60 and 29,501.28

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Solution

The fourth proportional to 42,020.64, 57,963.60 and 29,501.28 is: 40,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020.64 : 57,963.60 = 29,501.28 : x
  2. Step 2: Convert to fraction form
    42,020.64/57,963.60 = 29,501.28/x
  3. Step 3: Cross multiply
    42,020.64x = 57,963.60 × 29,501.28
  4. Step 4: Simplify right side
    42,020.64x = 1,710,000,393.41
  5. Step 5: Solve for x
    x = 1,710,000,393.41/42,020.64
  6. Step 6: Final answer
    x = 40,694.30

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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.