Home / 51,231.80-76,847.70-27,612.20

Finding the Fourth Proportional to 51,231.80, 76,847.70 and 27,612.20

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Solution

The fourth proportional to 51,231.80, 76,847.70 and 27,612.20 is: 41,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231.80 : 76,847.70 = 27,612.20 : x
  2. Step 2: Convert to fraction form
    51,231.80/76,847.70 = 27,612.20/x
  3. Step 3: Cross multiply
    51,231.80x = 76,847.70 × 27,612.20
  4. Step 4: Simplify right side
    51,231.80x = 2,121,934,061.94
  5. Step 5: Solve for x
    x = 2,121,934,061.94/51,231.80
  6. Step 6: Final answer
    x = 41,418.30

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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.