Home / 51,586.30-77,391.11-18,306.40

Finding the Fourth Proportional to 51,586.30, 77,391.11 and 18,306.40

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Solution

The fourth proportional to 51,586.30, 77,391.11 and 18,306.40 is: 27,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,586.30 : 77,391.11 = 18,306.40 : x
  2. Step 2: Convert to fraction form
    51,586.30/77,391.11 = 18,306.40/x
  3. Step 3: Cross multiply
    51,586.30x = 77,391.11 × 18,306.40
  4. Step 4: Simplify right side
    51,586.30x = 1,416,752,616.10
  5. Step 5: Solve for x
    x = 1,416,752,616.10/51,586.30
  6. Step 6: Final answer
    x = 27,463.74

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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.