Home / 51,997.03-71,755.92-28,123.70

Finding the Fourth Proportional to 51,997.03, 71,755.92 and 28,123.70

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Solution

The fourth proportional to 51,997.03, 71,755.92 and 28,123.70 is: 38,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997.03 : 71,755.92 = 28,123.70 : x
  2. Step 2: Convert to fraction form
    51,997.03/71,755.92 = 28,123.70/x
  3. Step 3: Cross multiply
    51,997.03x = 71,755.92 × 28,123.70
  4. Step 4: Simplify right side
    51,997.03x = 2,018,041,608.52
  5. Step 5: Solve for x
    x = 2,018,041,608.52/51,997.03
  6. Step 6: Final answer
    x = 38,810.71

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1.5x scale

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.