Home / 20,344.72-30,517.08-5,554.03

Finding the Fourth Proportional to 20,344.72, 30,517.08 and 5,554.03

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Solution

The fourth proportional to 20,344.72, 30,517.08 and 5,554.03 is: 8,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.72 : 30,517.08 = 5,554.03 : x
  2. Step 2: Convert to fraction form
    20,344.72/30,517.08 = 5,554.03/x
  3. Step 3: Cross multiply
    20,344.72x = 30,517.08 × 5,554.03
  4. Step 4: Simplify right side
    20,344.72x = 169,492,777.83
  5. Step 5: Solve for x
    x = 169,492,777.83/20,344.72
  6. Step 6: Final answer
    x = 8,331.05

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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.