Home / 40,182.90-55,452.81-22,278.18

Finding the Fourth Proportional to 40,182.90, 55,452.81 and 22,278.18

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Solution

The fourth proportional to 40,182.90, 55,452.81 and 22,278.18 is: 30,744.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,182.90 : 55,452.81 = 22,278.18 : x
  2. Step 2: Convert to fraction form
    40,182.90/55,452.81 = 22,278.18/x
  3. Step 3: Cross multiply
    40,182.90x = 55,452.81 × 22,278.18
  4. Step 4: Simplify right side
    40,182.90x = 1,235,387,682.69
  5. Step 5: Solve for x
    x = 1,235,387,682.69/40,182.90
  6. Step 6: Final answer
    x = 30,744.11

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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.