Home / 40,194.30-55,404.20-31,682.61

Finding the Fourth Proportional to 40,194.30, 55,404.20 and 31,682.61

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Solution

The fourth proportional to 40,194.30, 55,404.20 and 31,682.61 is: 43,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,194.30 : 55,404.20 = 31,682.61 : x
  2. Step 2: Convert to fraction form
    40,194.30/55,404.20 = 31,682.61/x
  3. Step 3: Cross multiply
    40,194.30x = 55,404.20 × 31,682.61
  4. Step 4: Simplify right side
    40,194.30x = 1,755,349,502.55
  5. Step 5: Solve for x
    x = 1,755,349,502.55/40,194.30
  6. Step 6: Final answer
    x = 43,671.60

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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.