Home / 36,665.58-54,952.20-19,990.92

Finding the Fourth Proportional to 36,665.58, 54,952.20 and 19,990.92

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Solution

The fourth proportional to 36,665.58, 54,952.20 and 19,990.92 is: 29,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,665.58 : 54,952.20 = 19,990.92 : x
  2. Step 2: Convert to fraction form
    36,665.58/54,952.20 = 19,990.92/x
  3. Step 3: Cross multiply
    36,665.58x = 54,952.20 × 19,990.92
  4. Step 4: Simplify right side
    36,665.58x = 1,098,545,034.02
  5. Step 5: Solve for x
    x = 1,098,545,034.02/36,665.58
  6. Step 6: Final answer
    x = 29,961.21

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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.