Home / 52,145.92-71,961.84-28,272.65

Finding the Fourth Proportional to 52,145.92, 71,961.84 and 28,272.65

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Solution

The fourth proportional to 52,145.92, 71,961.84 and 28,272.65 is: 39,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145.92 : 71,961.84 = 28,272.65 : x
  2. Step 2: Convert to fraction form
    52,145.92/71,961.84 = 28,272.65/x
  3. Step 3: Cross multiply
    52,145.92x = 71,961.84 × 28,272.65
  4. Step 4: Simplify right side
    52,145.92x = 2,034,551,915.68
  5. Step 5: Solve for x
    x = 2,034,551,915.68/52,145.92
  6. Step 6: Final answer
    x = 39,016.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.