Home / 31,981.18-47,944.41-12,273.88

Finding the Fourth Proportional to 31,981.18, 47,944.41 and 12,273.88

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Solution

The fourth proportional to 31,981.18, 47,944.41 and 12,273.88 is: 18,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,981.18 : 47,944.41 = 12,273.88 : x
  2. Step 2: Convert to fraction form
    31,981.18/47,944.41 = 12,273.88/x
  3. Step 3: Cross multiply
    31,981.18x = 47,944.41 × 12,273.88
  4. Step 4: Simplify right side
    31,981.18x = 588,463,935.01
  5. Step 5: Solve for x
    x = 588,463,935.01/31,981.18
  6. Step 6: Final answer
    x = 18,400.32

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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.