Home / 53,753.31-80,636.85-17,717.70

Finding the Fourth Proportional to 53,753.31, 80,636.85 and 17,717.70

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Solution

The fourth proportional to 53,753.31, 80,636.85 and 17,717.70 is: 26,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,753.31 : 80,636.85 = 17,717.70 : x
  2. Step 2: Convert to fraction form
    53,753.31/80,636.85 = 17,717.70/x
  3. Step 3: Cross multiply
    53,753.31x = 80,636.85 × 17,717.70
  4. Step 4: Simplify right side
    53,753.31x = 1,428,699,517.25
  5. Step 5: Solve for x
    x = 1,428,699,517.25/53,753.31
  6. Step 6: Final answer
    x = 26,578.82

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1.5x scale

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.