Home / 51,488.75-77,218.20-15,463.75

Finding the Fourth Proportional to 51,488.75, 77,218.20 and 15,463.75

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Solution

The fourth proportional to 51,488.75, 77,218.20 and 15,463.75 is: 23,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,488.75 : 77,218.20 = 15,463.75 : x
  2. Step 2: Convert to fraction form
    51,488.75/77,218.20 = 15,463.75/x
  3. Step 3: Cross multiply
    51,488.75x = 77,218.20 × 15,463.75
  4. Step 4: Simplify right side
    51,488.75x = 1,194,082,940.25
  5. Step 5: Solve for x
    x = 1,194,082,940.25/51,488.75
  6. Step 6: Final answer
    x = 23,191.14

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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.