Home / 31,399.92-47,098.80-8,026.56

Finding the Fourth Proportional to 31,399.92, 47,098.80 and 8,026.56

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Solution

The fourth proportional to 31,399.92, 47,098.80 and 8,026.56 is: 12,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.92 : 47,098.80 = 8,026.56 : x
  2. Step 2: Convert to fraction form
    31,399.92/47,098.80 = 8,026.56/x
  3. Step 3: Cross multiply
    31,399.92x = 47,098.80 × 8,026.56
  4. Step 4: Simplify right side
    31,399.92x = 378,041,344.13
  5. Step 5: Solve for x
    x = 378,041,344.13/31,399.92
  6. Step 6: Final answer
    x = 12,039.56

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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.