Home / 40,180.80-55,452.78-22,281.42

Finding the Fourth Proportional to 40,180.80, 55,452.78 and 22,281.42

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Solution

The fourth proportional to 40,180.80, 55,452.78 and 22,281.42 is: 30,750.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,180.80 : 55,452.78 = 22,281.42 : x
  2. Step 2: Convert to fraction form
    40,180.80/55,452.78 = 22,281.42/x
  3. Step 3: Cross multiply
    40,180.80x = 55,452.78 × 22,281.42
  4. Step 4: Simplify right side
    40,180.80x = 1,235,566,681.35
  5. Step 5: Solve for x
    x = 1,235,566,681.35/40,180.80
  6. Step 6: Final answer
    x = 30,750.18

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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.