Home / 69,363.10-104,061.45-20,115.10

Finding the Fourth Proportional to 69,363.10, 104,061.45 and 20,115.10

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Solution

The fourth proportional to 69,363.10, 104,061.45 and 20,115.10 is: 30,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,363.10 : 104,061.45 = 20,115.10 : x
  2. Step 2: Convert to fraction form
    69,363.10/104,061.45 = 20,115.10/x
  3. Step 3: Cross multiply
    69,363.10x = 104,061.45 × 20,115.10
  4. Step 4: Simplify right side
    69,363.10x = 2,093,206,472.90
  5. Step 5: Solve for x
    x = 2,093,206,472.90/69,363.10
  6. Step 6: Final answer
    x = 30,177.52

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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.