Home / 40,447.80-55,818.18-22,542.66

Finding the Fourth Proportional to 40,447.80, 55,818.18 and 22,542.66

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Solution

The fourth proportional to 40,447.80, 55,818.18 and 22,542.66 is: 31,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,447.80 : 55,818.18 = 22,542.66 : x
  2. Step 2: Convert to fraction form
    40,447.80/55,818.18 = 22,542.66/x
  3. Step 3: Cross multiply
    40,447.80x = 55,818.18 × 22,542.66
  4. Step 4: Simplify right side
    40,447.80x = 1,258,290,253.56
  5. Step 5: Solve for x
    x = 1,258,290,253.56/40,447.80
  6. Step 6: Final answer
    x = 31,108.99

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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.