Home / 40,119.90-55,367.18-22,214.90

Finding the Fourth Proportional to 40,119.90, 55,367.18 and 22,214.90

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Solution

The fourth proportional to 40,119.90, 55,367.18 and 22,214.90 is: 30,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.90 : 55,367.18 = 22,214.90 : x
  2. Step 2: Convert to fraction form
    40,119.90/55,367.18 = 22,214.90/x
  3. Step 3: Cross multiply
    40,119.90x = 55,367.18 × 22,214.90
  4. Step 4: Simplify right side
    40,119.90x = 1,229,976,366.98
  5. Step 5: Solve for x
    x = 1,229,976,366.98/40,119.90
  6. Step 6: Final answer
    x = 30,657.51

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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.