Home / 40,385.14-55,731.03-22,235.49

Finding the Fourth Proportional to 40,385.14, 55,731.03 and 22,235.49

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Solution

The fourth proportional to 40,385.14, 55,731.03 and 22,235.49 is: 30,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.14 : 55,731.03 = 22,235.49 : x
  2. Step 2: Convert to fraction form
    40,385.14/55,731.03 = 22,235.49/x
  3. Step 3: Cross multiply
    40,385.14x = 55,731.03 × 22,235.49
  4. Step 4: Simplify right side
    40,385.14x = 1,239,206,976.15
  5. Step 5: Solve for x
    x = 1,239,206,976.15/40,385.14
  6. Step 6: Final answer
    x = 30,684.73

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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.