Home / 56,542.68-84,716.82-39,872.88

Finding the Fourth Proportional to 56,542.68, 84,716.82 and 39,872.88

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Solution

The fourth proportional to 56,542.68, 84,716.82 and 39,872.88 is: 59,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,542.68 : 84,716.82 = 39,872.88 : x
  2. Step 2: Convert to fraction form
    56,542.68/84,716.82 = 39,872.88/x
  3. Step 3: Cross multiply
    56,542.68x = 84,716.82 × 39,872.88
  4. Step 4: Simplify right side
    56,542.68x = 3,377,903,597.84
  5. Step 5: Solve for x
    x = 3,377,903,597.84/56,542.68
  6. Step 6: Final answer
    x = 59,740.78

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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.