Home / 40,086.71-55,318.83-22,180.65

Finding the Fourth Proportional to 40,086.71, 55,318.83 and 22,180.65

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Solution

The fourth proportional to 40,086.71, 55,318.83 and 22,180.65 is: 30,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.71 : 55,318.83 = 22,180.65 : x
  2. Step 2: Convert to fraction form
    40,086.71/55,318.83 = 22,180.65/x
  3. Step 3: Cross multiply
    40,086.71x = 55,318.83 × 22,180.65
  4. Step 4: Simplify right side
    40,086.71x = 1,227,007,316.02
  5. Step 5: Solve for x
    x = 1,227,007,316.02/40,086.71
  6. Step 6: Final answer
    x = 30,608.83

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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.