Home / 40,178.31-55,446.57-22,274.88

Finding the Fourth Proportional to 40,178.31, 55,446.57 and 22,274.88

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Solution

The fourth proportional to 40,178.31, 55,446.57 and 22,274.88 is: 30,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.31 : 55,446.57 = 22,274.88 : x
  2. Step 2: Convert to fraction form
    40,178.31/55,446.57 = 22,274.88/x
  3. Step 3: Cross multiply
    40,178.31x = 55,446.57 × 22,274.88
  4. Step 4: Simplify right side
    40,178.31x = 1,235,065,693.16
  5. Step 5: Solve for x
    x = 1,235,065,693.16/40,178.31
  6. Step 6: Final answer
    x = 30,739.61

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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.