Home / 40,198.40-55,470.12-22,293.35

Finding the Fourth Proportional to 40,198.40, 55,470.12 and 22,293.35

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Solution

The fourth proportional to 40,198.40, 55,470.12 and 22,293.35 is: 30,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.40 : 55,470.12 = 22,293.35 : x
  2. Step 2: Convert to fraction form
    40,198.40/55,470.12 = 22,293.35/x
  3. Step 3: Cross multiply
    40,198.40x = 55,470.12 × 22,293.35
  4. Step 4: Simplify right side
    40,198.40x = 1,236,614,522.35
  5. Step 5: Solve for x
    x = 1,236,614,522.35/40,198.40
  6. Step 6: Final answer
    x = 30,762.78

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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.