Home / 40,380.86-55,726.68-22,474.80

Finding the Fourth Proportional to 40,380.86, 55,726.68 and 22,474.80

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Solution

The fourth proportional to 40,380.86, 55,726.68 and 22,474.80 is: 31,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.86 : 55,726.68 = 22,474.80 : x
  2. Step 2: Convert to fraction form
    40,380.86/55,726.68 = 22,474.80/x
  3. Step 3: Cross multiply
    40,380.86x = 55,726.68 × 22,474.80
  4. Step 4: Simplify right side
    40,380.86x = 1,252,446,071.94
  5. Step 5: Solve for x
    x = 1,252,446,071.94/40,380.86
  6. Step 6: Final answer
    x = 31,015.83

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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.