Home / 31,881.22-43,997.22-17,542.18

Finding the Fourth Proportional to 31,881.22, 43,997.22 and 17,542.18

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Solution

The fourth proportional to 31,881.22, 43,997.22 and 17,542.18 is: 24,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,881.22 : 43,997.22 = 17,542.18 : x
  2. Step 2: Convert to fraction form
    31,881.22/43,997.22 = 17,542.18/x
  3. Step 3: Cross multiply
    31,881.22x = 43,997.22 × 17,542.18
  4. Step 4: Simplify right side
    31,881.22x = 771,807,152.74
  5. Step 5: Solve for x
    x = 771,807,152.74/31,881.22
  6. Step 6: Final answer
    x = 24,208.83

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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.