Home / 53,159.14-79,629.36-38,397.70

Finding the Fourth Proportional to 53,159.14, 79,629.36 and 38,397.70

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Solution

The fourth proportional to 53,159.14, 79,629.36 and 38,397.70 is: 57,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.14 : 79,629.36 = 38,397.70 : x
  2. Step 2: Convert to fraction form
    53,159.14/79,629.36 = 38,397.70/x
  3. Step 3: Cross multiply
    53,159.14x = 79,629.36 × 38,397.70
  4. Step 4: Simplify right side
    53,159.14x = 3,057,584,276.47
  5. Step 5: Solve for x
    x = 3,057,584,276.47/53,159.14
  6. Step 6: Final answer
    x = 57,517.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.