Home / 22,709.30-34,121.55-20,174.90

Finding the Fourth Proportional to 22,709.30, 34,121.55 and 20,174.90

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Solution

The fourth proportional to 22,709.30, 34,121.55 and 20,174.90 is: 30,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,709.30 : 34,121.55 = 20,174.90 : x
  2. Step 2: Convert to fraction form
    22,709.30/34,121.55 = 20,174.90/x
  3. Step 3: Cross multiply
    22,709.30x = 34,121.55 × 20,174.90
  4. Step 4: Simplify right side
    22,709.30x = 688,398,859.10
  5. Step 5: Solve for x
    x = 688,398,859.10/22,709.30
  6. Step 6: Final answer
    x = 30,313.52

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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.