Home / 49,158.15-73,729.13-21,082.74

Finding the Fourth Proportional to 49,158.15, 73,729.13 and 21,082.74

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Solution

The fourth proportional to 49,158.15, 73,729.13 and 21,082.74 is: 31,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,158.15 : 73,729.13 = 21,082.74 : x
  2. Step 2: Convert to fraction form
    49,158.15/73,729.13 = 21,082.74/x
  3. Step 3: Cross multiply
    49,158.15x = 73,729.13 × 21,082.74
  4. Step 4: Simplify right side
    49,158.15x = 1,554,411,972.80
  5. Step 5: Solve for x
    x = 1,554,411,972.80/49,158.15
  6. Step 6: Final answer
    x = 31,620.64

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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.