Home / 75,281.32-112,917.66-33,757.48

Finding the Fourth Proportional to 75,281.32, 112,917.66 and 33,757.48

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Solution

The fourth proportional to 75,281.32, 112,917.66 and 33,757.48 is: 50,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,281.32 : 112,917.66 = 33,757.48 : x
  2. Step 2: Convert to fraction form
    75,281.32/112,917.66 = 33,757.48/x
  3. Step 3: Cross multiply
    75,281.32x = 112,917.66 × 33,757.48
  4. Step 4: Simplify right side
    75,281.32x = 3,811,815,649.10
  5. Step 5: Solve for x
    x = 3,811,815,649.10/75,281.32
  6. Step 6: Final answer
    x = 50,634.28

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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.