Home / 51,345.43-77,037.24-31,395.82

Finding the Fourth Proportional to 51,345.43, 77,037.24 and 31,395.82

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Solution

The fourth proportional to 51,345.43, 77,037.24 and 31,395.82 is: 47,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345.43 : 77,037.24 = 31,395.82 : x
  2. Step 2: Convert to fraction form
    51,345.43/77,037.24 = 31,395.82/x
  3. Step 3: Cross multiply
    51,345.43x = 77,037.24 × 31,395.82
  4. Step 4: Simplify right side
    51,345.43x = 2,418,647,320.34
  5. Step 5: Solve for x
    x = 2,418,647,320.34/51,345.43
  6. Step 6: Final answer
    x = 47,105.41

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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.