Home / 40,195.20-55,468.80-22,290.12

Finding the Fourth Proportional to 40,195.20, 55,468.80 and 22,290.12

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Solution

The fourth proportional to 40,195.20, 55,468.80 and 22,290.12 is: 30,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,195.20 : 55,468.80 = 22,290.12 : x
  2. Step 2: Convert to fraction form
    40,195.20/55,468.80 = 22,290.12/x
  3. Step 3: Cross multiply
    40,195.20x = 55,468.80 × 22,290.12
  4. Step 4: Simplify right side
    40,195.20x = 1,236,406,208.26
  5. Step 5: Solve for x
    x = 1,236,406,208.26/40,195.20
  6. Step 6: Final answer
    x = 30,760.05

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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.