Home / 52,589.24-78,884.04-13,146.38

Finding the Fourth Proportional to 52,589.24, 78,884.04 and 13,146.38

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Solution

The fourth proportional to 52,589.24, 78,884.04 and 13,146.38 is: 19,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,589.24 : 78,884.04 = 13,146.38 : x
  2. Step 2: Convert to fraction form
    52,589.24/78,884.04 = 13,146.38/x
  3. Step 3: Cross multiply
    52,589.24x = 78,884.04 × 13,146.38
  4. Step 4: Simplify right side
    52,589.24x = 1,037,039,565.78
  5. Step 5: Solve for x
    x = 1,037,039,565.78/52,589.24
  6. Step 6: Final answer
    x = 19,719.61

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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.