Home / 31,818.52-47,697.18-15,174.04

Finding the Fourth Proportional to 31,818.52, 47,697.18 and 15,174.04

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Solution

The fourth proportional to 31,818.52, 47,697.18 and 15,174.04 is: 22,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.52 : 47,697.18 = 15,174.04 : x
  2. Step 2: Convert to fraction form
    31,818.52/47,697.18 = 15,174.04/x
  3. Step 3: Cross multiply
    31,818.52x = 47,697.18 × 15,174.04
  4. Step 4: Simplify right side
    31,818.52x = 723,758,917.21
  5. Step 5: Solve for x
    x = 723,758,917.21/31,818.52
  6. Step 6: Final answer
    x = 22,746.47

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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.