Home / 52,578.72-78,884.28-18,387.96

Finding the Fourth Proportional to 52,578.72, 78,884.28 and 18,387.96

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Solution

The fourth proportional to 52,578.72, 78,884.28 and 18,387.96 is: 27,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,578.72 : 78,884.28 = 18,387.96 : x
  2. Step 2: Convert to fraction form
    52,578.72/78,884.28 = 18,387.96/x
  3. Step 3: Cross multiply
    52,578.72x = 78,884.28 × 18,387.96
  4. Step 4: Simplify right side
    52,578.72x = 1,450,520,985.27
  5. Step 5: Solve for x
    x = 1,450,520,985.27/52,578.72
  6. Step 6: Final answer
    x = 27,587.61

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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.