Home / 51,600.62-77,419.37-31,378.52

Finding the Fourth Proportional to 51,600.62, 77,419.37 and 31,378.52

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Solution

The fourth proportional to 51,600.62, 77,419.37 and 31,378.52 is: 47,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,600.62 : 77,419.37 = 31,378.52 : x
  2. Step 2: Convert to fraction form
    51,600.62/77,419.37 = 31,378.52/x
  3. Step 3: Cross multiply
    51,600.62x = 77,419.37 × 31,378.52
  4. Step 4: Simplify right side
    51,600.62x = 2,429,305,249.93
  5. Step 5: Solve for x
    x = 2,429,305,249.93/51,600.62
  6. Step 6: Final answer
    x = 47,078.99

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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.