Home / 43,318.30-64,983.96-18,358.48

Finding the Fourth Proportional to 43,318.30, 64,983.96 and 18,358.48

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Solution

The fourth proportional to 43,318.30, 64,983.96 and 18,358.48 is: 27,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,318.30 : 64,983.96 = 18,358.48 : x
  2. Step 2: Convert to fraction form
    43,318.30/64,983.96 = 18,358.48/x
  3. Step 3: Cross multiply
    43,318.30x = 64,983.96 × 18,358.48
  4. Step 4: Simplify right side
    43,318.30x = 1,193,006,729.98
  5. Step 5: Solve for x
    x = 1,193,006,729.98/43,318.30
  6. Step 6: Final answer
    x = 27,540.48

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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.