Home / 51,660.16-77,463.32-18,375.39

Finding the Fourth Proportional to 51,660.16, 77,463.32 and 18,375.39

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Solution

The fourth proportional to 51,660.16, 77,463.32 and 18,375.39 is: 27,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,660.16 : 77,463.32 = 18,375.39 : x
  2. Step 2: Convert to fraction form
    51,660.16/77,463.32 = 18,375.39/x
  3. Step 3: Cross multiply
    51,660.16x = 77,463.32 × 18,375.39
  4. Step 4: Simplify right side
    51,660.16x = 1,423,418,623.82
  5. Step 5: Solve for x
    x = 1,423,418,623.82/51,660.16
  6. Step 6: Final answer
    x = 27,553.51

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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.