Home / 40,425.07-55,786.63-22,520.12

Finding the Fourth Proportional to 40,425.07, 55,786.63 and 22,520.12

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Solution

The fourth proportional to 40,425.07, 55,786.63 and 22,520.12 is: 31,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.07 : 55,786.63 = 22,520.12 : x
  2. Step 2: Convert to fraction form
    40,425.07/55,786.63 = 22,520.12/x
  3. Step 3: Cross multiply
    40,425.07x = 55,786.63 × 22,520.12
  4. Step 4: Simplify right side
    40,425.07x = 1,256,321,545.70
  5. Step 5: Solve for x
    x = 1,256,321,545.70/40,425.07
  6. Step 6: Final answer
    x = 31,077.78

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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.