Home / 52,200.87-78,231.51-27,188.42

Finding the Fourth Proportional to 52,200.87, 78,231.51 and 27,188.42

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Solution

The fourth proportional to 52,200.87, 78,231.51 and 27,188.42 is: 40,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,200.87 : 78,231.51 = 27,188.42 : x
  2. Step 2: Convert to fraction form
    52,200.87/78,231.51 = 27,188.42/x
  3. Step 3: Cross multiply
    52,200.87x = 78,231.51 × 27,188.42
  4. Step 4: Simplify right side
    52,200.87x = 2,126,990,759.96
  5. Step 5: Solve for x
    x = 2,126,990,759.96/52,200.87
  6. Step 6: Final answer
    x = 40,746.27

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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.