Home / 20,008.44-30,011.85-5,217.48

Finding the Fourth Proportional to 20,008.44, 30,011.85 and 5,217.48

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Solution

The fourth proportional to 20,008.44, 30,011.85 and 5,217.48 is: 7,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.44 : 30,011.85 = 5,217.48 : x
  2. Step 2: Convert to fraction form
    20,008.44/30,011.85 = 5,217.48/x
  3. Step 3: Cross multiply
    20,008.44x = 30,011.85 × 5,217.48
  4. Step 4: Simplify right side
    20,008.44x = 156,586,227.14
  5. Step 5: Solve for x
    x = 156,586,227.14/20,008.44
  6. Step 6: Final answer
    x = 7,826.01

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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.