Home / 40,283.06-55,589.06-22,379.20

Finding the Fourth Proportional to 40,283.06, 55,589.06 and 22,379.20

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Solution

The fourth proportional to 40,283.06, 55,589.06 and 22,379.20 is: 30,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,283.06 : 55,589.06 = 22,379.20 : x
  2. Step 2: Convert to fraction form
    40,283.06/55,589.06 = 22,379.20/x
  3. Step 3: Cross multiply
    40,283.06x = 55,589.06 × 22,379.20
  4. Step 4: Simplify right side
    40,283.06x = 1,244,038,691.55
  5. Step 5: Solve for x
    x = 1,244,038,691.55/40,283.06
  6. Step 6: Final answer
    x = 30,882.43

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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.