Home / 51,432.62-77,148.38-39,028.83

Finding the Fourth Proportional to 51,432.62, 77,148.38 and 39,028.83

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Solution

The fourth proportional to 51,432.62, 77,148.38 and 39,028.83 is: 58,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,432.62 : 77,148.38 = 39,028.83 : x
  2. Step 2: Convert to fraction form
    51,432.62/77,148.38 = 39,028.83/x
  3. Step 3: Cross multiply
    51,432.62x = 77,148.38 × 39,028.83
  4. Step 4: Simplify right side
    51,432.62x = 3,011,010,816.06
  5. Step 5: Solve for x
    x = 3,011,010,816.06/51,432.62
  6. Step 6: Final answer
    x = 58,542.83

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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.