Home / 31,500.38-47,250.77-8,127.02

Finding the Fourth Proportional to 31,500.38, 47,250.77 and 8,127.02

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Solution

The fourth proportional to 31,500.38, 47,250.77 and 8,127.02 is: 12,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.38 : 47,250.77 = 8,127.02 : x
  2. Step 2: Convert to fraction form
    31,500.38/47,250.77 = 8,127.02/x
  3. Step 3: Cross multiply
    31,500.38x = 47,250.77 × 8,127.02
  4. Step 4: Simplify right side
    31,500.38x = 384,007,675.92
  5. Step 5: Solve for x
    x = 384,007,675.92/31,500.38
  6. Step 6: Final answer
    x = 12,190.57

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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.