Home / 31,542.75-47,314.13-12,832.97

Finding the Fourth Proportional to 31,542.75, 47,314.13 and 12,832.97

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Solution

The fourth proportional to 31,542.75, 47,314.13 and 12,832.97 is: 19,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.75 : 47,314.13 = 12,832.97 : x
  2. Step 2: Convert to fraction form
    31,542.75/47,314.13 = 12,832.97/x
  3. Step 3: Cross multiply
    31,542.75x = 47,314.13 × 12,832.97
  4. Step 4: Simplify right side
    31,542.75x = 607,180,510.13
  5. Step 5: Solve for x
    x = 607,180,510.13/31,542.75
  6. Step 6: Final answer
    x = 19,249.45

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Similar ratio
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1.5x scale

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.