Home / 31,837.13-47,755.52-8,144.64

Finding the Fourth Proportional to 31,837.13, 47,755.52 and 8,144.64

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Solution

The fourth proportional to 31,837.13, 47,755.52 and 8,144.64 is: 12,216.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.13 : 47,755.52 = 8,144.64 : x
  2. Step 2: Convert to fraction form
    31,837.13/47,755.52 = 8,144.64/x
  3. Step 3: Cross multiply
    31,837.13x = 47,755.52 × 8,144.64
  4. Step 4: Simplify right side
    31,837.13x = 388,951,477.69
  5. Step 5: Solve for x
    x = 388,951,477.69/31,837.13
  6. Step 6: Final answer
    x = 12,216.92

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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.