Home / 31,908.08-47,844.12-15,272.12

Finding the Fourth Proportional to 31,908.08, 47,844.12 and 15,272.12

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Solution

The fourth proportional to 31,908.08, 47,844.12 and 15,272.12 is: 22,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,908.08 : 47,844.12 = 15,272.12 : x
  2. Step 2: Convert to fraction form
    31,908.08/47,844.12 = 15,272.12/x
  3. Step 3: Cross multiply
    31,908.08x = 47,844.12 × 15,272.12
  4. Step 4: Simplify right side
    31,908.08x = 730,681,141.93
  5. Step 5: Solve for x
    x = 730,681,141.93/31,908.08
  6. Step 6: Final answer
    x = 22,899.56

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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.