Home / 31,913.76-47,872.44-9,727.92

Finding the Fourth Proportional to 31,913.76, 47,872.44 and 9,727.92

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Solution

The fourth proportional to 31,913.76, 47,872.44 and 9,727.92 is: 14,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,913.76 : 47,872.44 = 9,727.92 : x
  2. Step 2: Convert to fraction form
    31,913.76/47,872.44 = 9,727.92/x
  3. Step 3: Cross multiply
    31,913.76x = 47,872.44 × 9,727.92
  4. Step 4: Simplify right side
    31,913.76x = 465,699,266.52
  5. Step 5: Solve for x
    x = 465,699,266.52/31,913.76
  6. Step 6: Final answer
    x = 14,592.43

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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.