Home / 31,336.86-47,003.09-14,700.54

Finding the Fourth Proportional to 31,336.86, 47,003.09 and 14,700.54

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Solution

The fourth proportional to 31,336.86, 47,003.09 and 14,700.54 is: 22,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.86 : 47,003.09 = 14,700.54 : x
  2. Step 2: Convert to fraction form
    31,336.86/47,003.09 = 14,700.54/x
  3. Step 3: Cross multiply
    31,336.86x = 47,003.09 × 14,700.54
  4. Step 4: Simplify right side
    31,336.86x = 690,970,731.17
  5. Step 5: Solve for x
    x = 690,970,731.17/31,336.86
  6. Step 6: Final answer
    x = 22,049.78

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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.