Home / 20,242.04-30,359.40-5,447.54

Finding the Fourth Proportional to 20,242.04, 30,359.40 and 5,447.54

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Solution

The fourth proportional to 20,242.04, 30,359.40 and 5,447.54 is: 8,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.04 : 30,359.40 = 5,447.54 : x
  2. Step 2: Convert to fraction form
    20,242.04/30,359.40 = 5,447.54/x
  3. Step 3: Cross multiply
    20,242.04x = 30,359.40 × 5,447.54
  4. Step 4: Simplify right side
    20,242.04x = 165,384,045.88
  5. Step 5: Solve for x
    x = 165,384,045.88/20,242.04
  6. Step 6: Final answer
    x = 8,170.33

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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.