Home / 31,731.92-47,591.16-20,029.52

Finding the Fourth Proportional to 31,731.92, 47,591.16 and 20,029.52

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Solution

The fourth proportional to 31,731.92, 47,591.16 and 20,029.52 is: 30,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.92 : 47,591.16 = 20,029.52 : x
  2. Step 2: Convert to fraction form
    31,731.92/47,591.16 = 20,029.52/x
  3. Step 3: Cross multiply
    31,731.92x = 47,591.16 × 20,029.52
  4. Step 4: Simplify right side
    31,731.92x = 953,228,091.04
  5. Step 5: Solve for x
    x = 953,228,091.04/31,731.92
  6. Step 6: Final answer
    x = 30,040.04

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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.