Home / 40,674.88-56,132.40-22,769.80

Finding the Fourth Proportional to 40,674.88, 56,132.40 and 22,769.80

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Solution

The fourth proportional to 40,674.88, 56,132.40 and 22,769.80 is: 31,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,674.88 : 56,132.40 = 22,769.80 : x
  2. Step 2: Convert to fraction form
    40,674.88/56,132.40 = 22,769.80/x
  3. Step 3: Cross multiply
    40,674.88x = 56,132.40 × 22,769.80
  4. Step 4: Simplify right side
    40,674.88x = 1,278,123,521.52
  5. Step 5: Solve for x
    x = 1,278,123,521.52/40,674.88
  6. Step 6: Final answer
    x = 31,422.92

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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.