Home / 51,125.65-76,697.28-19,538.55

Finding the Fourth Proportional to 51,125.65, 76,697.28 and 19,538.55

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Solution

The fourth proportional to 51,125.65, 76,697.28 and 19,538.55 is: 29,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,125.65 : 76,697.28 = 19,538.55 : x
  2. Step 2: Convert to fraction form
    51,125.65/76,697.28 = 19,538.55/x
  3. Step 3: Cross multiply
    51,125.65x = 76,697.28 × 19,538.55
  4. Step 4: Simplify right side
    51,125.65x = 1,498,553,640.14
  5. Step 5: Solve for x
    x = 1,498,553,640.14/51,125.65
  6. Step 6: Final answer
    x = 29,311.19

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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.