Home / 51,249.40-76,874.10-47,750.20

Finding the Fourth Proportional to 51,249.40, 76,874.10 and 47,750.20

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Solution

The fourth proportional to 51,249.40, 76,874.10 and 47,750.20 is: 71,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,249.40 : 76,874.10 = 47,750.20 : x
  2. Step 2: Convert to fraction form
    51,249.40/76,874.10 = 47,750.20/x
  3. Step 3: Cross multiply
    51,249.40x = 76,874.10 × 47,750.20
  4. Step 4: Simplify right side
    51,249.40x = 3,670,753,649.82
  5. Step 5: Solve for x
    x = 3,670,753,649.82/51,249.40
  6. Step 6: Final answer
    x = 71,625.30

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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.