Home / 53,139.02-73,331.33-29,265.21

Finding the Fourth Proportional to 53,139.02, 73,331.33 and 29,265.21

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Solution

The fourth proportional to 53,139.02, 73,331.33 and 29,265.21 is: 40,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,139.02 : 73,331.33 = 29,265.21 : x
  2. Step 2: Convert to fraction form
    53,139.02/73,331.33 = 29,265.21/x
  3. Step 3: Cross multiply
    53,139.02x = 73,331.33 × 29,265.21
  4. Step 4: Simplify right side
    53,139.02x = 2,146,056,625.70
  5. Step 5: Solve for x
    x = 2,146,056,625.70/53,139.02
  6. Step 6: Final answer
    x = 40,385.71

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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.