Home / 36,545.87-50,433.58-21,438.78

Finding the Fourth Proportional to 36,545.87, 50,433.58 and 21,438.78

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Solution

The fourth proportional to 36,545.87, 50,433.58 and 21,438.78 is: 29,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,545.87 : 50,433.58 = 21,438.78 : x
  2. Step 2: Convert to fraction form
    36,545.87/50,433.58 = 21,438.78/x
  3. Step 3: Cross multiply
    36,545.87x = 50,433.58 × 21,438.78
  4. Step 4: Simplify right side
    36,545.87x = 1,081,234,426.23
  5. Step 5: Solve for x
    x = 1,081,234,426.23/36,545.87
  6. Step 6: Final answer
    x = 29,585.68

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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.