Home / 31,616.68-43,630.50-17,470.12

Finding the Fourth Proportional to 31,616.68, 43,630.50 and 17,470.12

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Solution

The fourth proportional to 31,616.68, 43,630.50 and 17,470.12 is: 24,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,616.68 : 43,630.50 = 17,470.12 : x
  2. Step 2: Convert to fraction form
    31,616.68/43,630.50 = 17,470.12/x
  3. Step 3: Cross multiply
    31,616.68x = 43,630.50 × 17,470.12
  4. Step 4: Simplify right side
    31,616.68x = 762,230,070.66
  5. Step 5: Solve for x
    x = 762,230,070.66/31,616.68
  6. Step 6: Final answer
    x = 24,108.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.