Home / 53,128.97-73,317.98-29,255.59

Finding the Fourth Proportional to 53,128.97, 73,317.98 and 29,255.59

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Solution

The fourth proportional to 53,128.97, 73,317.98 and 29,255.59 is: 40,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.97 : 73,317.98 = 29,255.59 : x
  2. Step 2: Convert to fraction form
    53,128.97/73,317.98 = 29,255.59/x
  3. Step 3: Cross multiply
    53,128.97x = 73,317.98 × 29,255.59
  4. Step 4: Simplify right side
    53,128.97x = 2,144,960,350.32
  5. Step 5: Solve for x
    x = 2,144,960,350.32/53,128.97
  6. Step 6: Final answer
    x = 40,372.71

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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.