Home / 53,139.26-73,332.16-29,265.88

Finding the Fourth Proportional to 53,139.26, 73,332.16 and 29,265.88

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Solution

The fourth proportional to 53,139.26, 73,332.16 and 29,265.88 is: 40,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,139.26 : 73,332.16 = 29,265.88 : x
  2. Step 2: Convert to fraction form
    53,139.26/73,332.16 = 29,265.88/x
  3. Step 3: Cross multiply
    53,139.26x = 73,332.16 × 29,265.88
  4. Step 4: Simplify right side
    53,139.26x = 2,146,130,194.70
  5. Step 5: Solve for x
    x = 2,146,130,194.70/53,139.26
  6. Step 6: Final answer
    x = 40,386.90

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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.