Home / 41,069.08-61,612.80-12,990.76

Finding the Fourth Proportional to 41,069.08, 61,612.80 and 12,990.76

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Solution

The fourth proportional to 41,069.08, 61,612.80 and 12,990.76 is: 19,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,069.08 : 61,612.80 = 12,990.76 : x
  2. Step 2: Convert to fraction form
    41,069.08/61,612.80 = 12,990.76/x
  3. Step 3: Cross multiply
    41,069.08x = 61,612.80 × 12,990.76
  4. Step 4: Simplify right side
    41,069.08x = 800,397,097.73
  5. Step 5: Solve for x
    x = 800,397,097.73/41,069.08
  6. Step 6: Final answer
    x = 19,489.04

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1.5x scale

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.