Home / 84,046.28-126,069.44-21,716.80

Finding the Fourth Proportional to 84,046.28, 126,069.44 and 21,716.80

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Solution

The fourth proportional to 84,046.28, 126,069.44 and 21,716.80 is: 32,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,046.28 : 126,069.44 = 21,716.80 : x
  2. Step 2: Convert to fraction form
    84,046.28/126,069.44 = 21,716.80/x
  3. Step 3: Cross multiply
    84,046.28x = 126,069.44 × 21,716.80
  4. Step 4: Simplify right side
    84,046.28x = 2,737,824,814.59
  5. Step 5: Solve for x
    x = 2,737,824,814.59/84,046.28
  6. Step 6: Final answer
    x = 32,575.21

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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.