Home / 40,393.28-55,740.11-22,487.82

Finding the Fourth Proportional to 40,393.28, 55,740.11 and 22,487.82

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Solution

The fourth proportional to 40,393.28, 55,740.11 and 22,487.82 is: 31,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.28 : 55,740.11 = 22,487.82 : x
  2. Step 2: Convert to fraction form
    40,393.28/55,740.11 = 22,487.82/x
  3. Step 3: Cross multiply
    40,393.28x = 55,740.11 × 22,487.82
  4. Step 4: Simplify right side
    40,393.28x = 1,253,473,448.02
  5. Step 5: Solve for x
    x = 1,253,473,448.02/40,393.28
  6. Step 6: Final answer
    x = 31,031.74

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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.