Home / 40,084.38-55,318.08-22,179.11

Finding the Fourth Proportional to 40,084.38, 55,318.08 and 22,179.11

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Solution

The fourth proportional to 40,084.38, 55,318.08 and 22,179.11 is: 30,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,084.38 : 55,318.08 = 22,179.11 : x
  2. Step 2: Convert to fraction form
    40,084.38/55,318.08 = 22,179.11/x
  3. Step 3: Cross multiply
    40,084.38x = 55,318.08 × 22,179.11
  4. Step 4: Simplify right side
    40,084.38x = 1,226,905,504.72
  5. Step 5: Solve for x
    x = 1,226,905,504.72/40,084.38
  6. Step 6: Final answer
    x = 30,608.07

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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.