Home / 23,986.20-35,979.30-21,070.20

Finding the Fourth Proportional to 23,986.20, 35,979.30 and 21,070.20

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Solution

The fourth proportional to 23,986.20, 35,979.30 and 21,070.20 is: 31,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,986.20 : 35,979.30 = 21,070.20 : x
  2. Step 2: Convert to fraction form
    23,986.20/35,979.30 = 21,070.20/x
  3. Step 3: Cross multiply
    23,986.20x = 35,979.30 × 21,070.20
  4. Step 4: Simplify right side
    23,986.20x = 758,091,046.86
  5. Step 5: Solve for x
    x = 758,091,046.86/23,986.20
  6. Step 6: Final answer
    x = 31,605.30

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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.