Home / 84,891.82-127,337.26-21,711.83

Finding the Fourth Proportional to 84,891.82, 127,337.26 and 21,711.83

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Solution

The fourth proportional to 84,891.82, 127,337.26 and 21,711.83 is: 32,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,891.82 : 127,337.26 = 21,711.83 : x
  2. Step 2: Convert to fraction form
    84,891.82/127,337.26 = 21,711.83/x
  3. Step 3: Cross multiply
    84,891.82x = 127,337.26 × 21,711.83
  4. Step 4: Simplify right side
    84,891.82x = 2,764,725,205.85
  5. Step 5: Solve for x
    x = 2,764,725,205.85/84,891.82
  6. Step 6: Final answer
    x = 32,567.63

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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.