Home / 40,425.80-55,786.14-22,519.85

Finding the Fourth Proportional to 40,425.80, 55,786.14 and 22,519.85

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Solution

The fourth proportional to 40,425.80, 55,786.14 and 22,519.85 is: 31,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.80 : 55,786.14 = 22,519.85 : x
  2. Step 2: Convert to fraction form
    40,425.80/55,786.14 = 22,519.85/x
  3. Step 3: Cross multiply
    40,425.80x = 55,786.14 × 22,519.85
  4. Step 4: Simplify right side
    40,425.80x = 1,256,295,225.95
  5. Step 5: Solve for x
    x = 1,256,295,225.95/40,425.80
  6. Step 6: Final answer
    x = 31,076.57

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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.