Home / 31,342.06-47,008.44-9,149.47

Finding the Fourth Proportional to 31,342.06, 47,008.44 and 9,149.47

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Solution

The fourth proportional to 31,342.06, 47,008.44 and 9,149.47 is: 13,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.06 : 47,008.44 = 9,149.47 : x
  2. Step 2: Convert to fraction form
    31,342.06/47,008.44 = 9,149.47/x
  3. Step 3: Cross multiply
    31,342.06x = 47,008.44 × 9,149.47
  4. Step 4: Simplify right side
    31,342.06x = 430,102,311.53
  5. Step 5: Solve for x
    x = 430,102,311.53/31,342.06
  6. Step 6: Final answer
    x = 13,722.85

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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.