Home / 36,545.62-50,431.89-20,631.55

Finding the Fourth Proportional to 36,545.62, 50,431.89 and 20,631.55

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Solution

The fourth proportional to 36,545.62, 50,431.89 and 20,631.55 is: 28,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,545.62 : 50,431.89 = 20,631.55 : x
  2. Step 2: Convert to fraction form
    36,545.62/50,431.89 = 20,631.55/x
  3. Step 3: Cross multiply
    36,545.62x = 50,431.89 × 20,631.55
  4. Step 4: Simplify right side
    36,545.62x = 1,040,488,060.13
  5. Step 5: Solve for x
    x = 1,040,488,060.13/36,545.62
  6. Step 6: Final answer
    x = 28,470.94

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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.