Home / 40,131.90-55,381.35-22,227.66

Finding the Fourth Proportional to 40,131.90, 55,381.35 and 22,227.66

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Solution

The fourth proportional to 40,131.90, 55,381.35 and 22,227.66 is: 30,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.90 : 55,381.35 = 22,227.66 : x
  2. Step 2: Convert to fraction form
    40,131.90/55,381.35 = 22,227.66/x
  3. Step 3: Cross multiply
    40,131.90x = 55,381.35 × 22,227.66
  4. Step 4: Simplify right side
    40,131.90x = 1,230,997,818.14
  5. Step 5: Solve for x
    x = 1,230,997,818.14/40,131.90
  6. Step 6: Final answer
    x = 30,673.80

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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.