Home / 84,623.99-126,936.11-21,444.12

Finding the Fourth Proportional to 84,623.99, 126,936.11 and 21,444.12

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Solution

The fourth proportional to 84,623.99, 126,936.11 and 21,444.12 is: 32,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,623.99 : 126,936.11 = 21,444.12 : x
  2. Step 2: Convert to fraction form
    84,623.99/126,936.11 = 21,444.12/x
  3. Step 3: Cross multiply
    84,623.99x = 126,936.11 × 21,444.12
  4. Step 4: Simplify right side
    84,623.99x = 2,722,033,228.78
  5. Step 5: Solve for x
    x = 2,722,033,228.78/84,623.99
  6. Step 6: Final answer
    x = 32,166.21

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Similar ratio
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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.