Home / 20,217.30-30,325.80-5,224.38

Finding the Fourth Proportional to 20,217.30, 30,325.80 and 5,224.38

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Solution

The fourth proportional to 20,217.30, 30,325.80 and 5,224.38 is: 7,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.30 : 30,325.80 = 5,224.38 : x
  2. Step 2: Convert to fraction form
    20,217.30/30,325.80 = 5,224.38/x
  3. Step 3: Cross multiply
    20,217.30x = 30,325.80 × 5,224.38
  4. Step 4: Simplify right side
    20,217.30x = 158,433,503.00
  5. Step 5: Solve for x
    x = 158,433,503.00/20,217.30
  6. Step 6: Final answer
    x = 7,836.53

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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.