Home / 31,475.54-47,213.42-11,753.89

Finding the Fourth Proportional to 31,475.54, 47,213.42 and 11,753.89

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Solution

The fourth proportional to 31,475.54, 47,213.42 and 11,753.89 is: 17,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.54 : 47,213.42 = 11,753.89 : x
  2. Step 2: Convert to fraction form
    31,475.54/47,213.42 = 11,753.89/x
  3. Step 3: Cross multiply
    31,475.54x = 47,213.42 × 11,753.89
  4. Step 4: Simplify right side
    31,475.54x = 554,941,345.20
  5. Step 5: Solve for x
    x = 554,941,345.20/31,475.54
  6. Step 6: Final answer
    x = 17,630.88

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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.