Home / 43,302.92-64,961.20-18,343.04

Finding the Fourth Proportional to 43,302.92, 64,961.20 and 18,343.04

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Solution

The fourth proportional to 43,302.92, 64,961.20 and 18,343.04 is: 27,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.92 : 64,961.20 = 18,343.04 : x
  2. Step 2: Convert to fraction form
    43,302.92/64,961.20 = 18,343.04/x
  3. Step 3: Cross multiply
    43,302.92x = 64,961.20 × 18,343.04
  4. Step 4: Simplify right side
    43,302.92x = 1,191,585,890.05
  5. Step 5: Solve for x
    x = 1,191,585,890.05/43,302.92
  6. Step 6: Final answer
    x = 27,517.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.