Home / 63,131.46-94,706.19-20,997.66

Finding the Fourth Proportional to 63,131.46, 94,706.19 and 20,997.66

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Solution

The fourth proportional to 63,131.46, 94,706.19 and 20,997.66 is: 31,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,131.46 : 94,706.19 = 20,997.66 : x
  2. Step 2: Convert to fraction form
    63,131.46/94,706.19 = 20,997.66/x
  3. Step 3: Cross multiply
    63,131.46x = 94,706.19 × 20,997.66
  4. Step 4: Simplify right side
    63,131.46x = 1,988,608,377.52
  5. Step 5: Solve for x
    x = 1,988,608,377.52/63,131.46
  6. Step 6: Final answer
    x = 31,499.48

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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.