Home / 20,350.83-30,523.80-5,561.04

Finding the Fourth Proportional to 20,350.83, 30,523.80 and 5,561.04

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Solution

The fourth proportional to 20,350.83, 30,523.80 and 5,561.04 is: 8,340.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.83 : 30,523.80 = 5,561.04 : x
  2. Step 2: Convert to fraction form
    20,350.83/30,523.80 = 5,561.04/x
  3. Step 3: Cross multiply
    20,350.83x = 30,523.80 × 5,561.04
  4. Step 4: Simplify right side
    20,350.83x = 169,744,072.75
  5. Step 5: Solve for x
    x = 169,744,072.75/20,350.83
  6. Step 6: Final answer
    x = 8,340.89

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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.