Home / 51,425.46-77,127.39-19,824.66

Finding the Fourth Proportional to 51,425.46, 77,127.39 and 19,824.66

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Solution

The fourth proportional to 51,425.46, 77,127.39 and 19,824.66 is: 29,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425.46 : 77,127.39 = 19,824.66 : x
  2. Step 2: Convert to fraction form
    51,425.46/77,127.39 = 19,824.66/x
  3. Step 3: Cross multiply
    51,425.46x = 77,127.39 × 19,824.66
  4. Step 4: Simplify right side
    51,425.46x = 1,529,024,283.44
  5. Step 5: Solve for x
    x = 1,529,024,283.44/51,425.46
  6. Step 6: Final answer
    x = 29,732.83

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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.