Home / 51,488.88-77,251.59-18,200.31

Finding the Fourth Proportional to 51,488.88, 77,251.59 and 18,200.31

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Solution

The fourth proportional to 51,488.88, 77,251.59 and 18,200.31 is: 27,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,488.88 : 77,251.59 = 18,200.31 : x
  2. Step 2: Convert to fraction form
    51,488.88/77,251.59 = 18,200.31/x
  3. Step 3: Cross multiply
    51,488.88x = 77,251.59 × 18,200.31
  4. Step 4: Simplify right side
    51,488.88x = 1,406,002,885.99
  5. Step 5: Solve for x
    x = 1,406,002,885.99/51,488.88
  6. Step 6: Final answer
    x = 27,306.92

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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.