Home / 40,195.40-55,470.12-22,290.62

Finding the Fourth Proportional to 40,195.40, 55,470.12 and 22,290.62

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Solution

The fourth proportional to 40,195.40, 55,470.12 and 22,290.62 is: 30,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,195.40 : 55,470.12 = 22,290.62 : x
  2. Step 2: Convert to fraction form
    40,195.40/55,470.12 = 22,290.62/x
  3. Step 3: Cross multiply
    40,195.40x = 55,470.12 × 22,290.62
  4. Step 4: Simplify right side
    40,195.40x = 1,236,463,366.27
  5. Step 5: Solve for x
    x = 1,236,463,366.27/40,195.40
  6. Step 6: Final answer
    x = 30,761.32

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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.