Home / 51,463.11-77,231.58-21,901.71

Finding the Fourth Proportional to 51,463.11, 77,231.58 and 21,901.71

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Solution

The fourth proportional to 51,463.11, 77,231.58 and 21,901.71 is: 32,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,463.11 : 77,231.58 = 21,901.71 : x
  2. Step 2: Convert to fraction form
    51,463.11/77,231.58 = 21,901.71/x
  3. Step 3: Cross multiply
    51,463.11x = 77,231.58 × 21,901.71
  4. Step 4: Simplify right side
    51,463.11x = 1,691,503,668.00
  5. Step 5: Solve for x
    x = 1,691,503,668.00/51,463.11
  6. Step 6: Final answer
    x = 32,868.28

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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.