Home / 45,127.92-62,211.30-31,657.38

Finding the Fourth Proportional to 45,127.92, 62,211.30 and 31,657.38

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Solution

The fourth proportional to 45,127.92, 62,211.30 and 31,657.38 is: 43,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,127.92 : 62,211.30 = 31,657.38 : x
  2. Step 2: Convert to fraction form
    45,127.92/62,211.30 = 31,657.38/x
  3. Step 3: Cross multiply
    45,127.92x = 62,211.30 × 31,657.38
  4. Step 4: Simplify right side
    45,127.92x = 1,969,446,764.39
  5. Step 5: Solve for x
    x = 1,969,446,764.39/45,127.92
  6. Step 6: Final answer
    x = 43,641.43

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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.