Home / 40,066.31-55,286.66-22,158.88

Finding the Fourth Proportional to 40,066.31, 55,286.66 and 22,158.88

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Solution

The fourth proportional to 40,066.31, 55,286.66 and 22,158.88 is: 30,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.31 : 55,286.66 = 22,158.88 : x
  2. Step 2: Convert to fraction form
    40,066.31/55,286.66 = 22,158.88/x
  3. Step 3: Cross multiply
    40,066.31x = 55,286.66 × 22,158.88
  4. Step 4: Simplify right side
    40,066.31x = 1,225,090,077.31
  5. Step 5: Solve for x
    x = 1,225,090,077.31/40,066.31
  6. Step 6: Final answer
    x = 30,576.56

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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.