Home / 51,522.91-77,288.12-15,979.71

Finding the Fourth Proportional to 51,522.91, 77,288.12 and 15,979.71

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Solution

The fourth proportional to 51,522.91, 77,288.12 and 15,979.71 is: 23,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,522.91 : 77,288.12 = 15,979.71 : x
  2. Step 2: Convert to fraction form
    51,522.91/77,288.12 = 15,979.71/x
  3. Step 3: Cross multiply
    51,522.91x = 77,288.12 × 15,979.71
  4. Step 4: Simplify right side
    51,522.91x = 1,235,042,013.90
  5. Step 5: Solve for x
    x = 1,235,042,013.90/51,522.91
  6. Step 6: Final answer
    x = 23,970.74

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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.