Home / 36,299.64-54,455.23-12,614.43

Finding the Fourth Proportional to 36,299.64, 54,455.23 and 12,614.43

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Solution

The fourth proportional to 36,299.64, 54,455.23 and 12,614.43 is: 18,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,299.64 : 54,455.23 = 12,614.43 : x
  2. Step 2: Convert to fraction form
    36,299.64/54,455.23 = 12,614.43/x
  3. Step 3: Cross multiply
    36,299.64x = 54,455.23 × 12,614.43
  4. Step 4: Simplify right side
    36,299.64x = 686,921,686.97
  5. Step 5: Solve for x
    x = 686,921,686.97/36,299.64
  6. Step 6: Final answer
    x = 18,923.65

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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.