Home / 69,074.24-103,601.05-19,149.12

Finding the Fourth Proportional to 69,074.24, 103,601.05 and 19,149.12

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Solution

The fourth proportional to 69,074.24, 103,601.05 and 19,149.12 is: 28,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,074.24 : 103,601.05 = 19,149.12 : x
  2. Step 2: Convert to fraction form
    69,074.24/103,601.05 = 19,149.12/x
  3. Step 3: Cross multiply
    69,074.24x = 103,601.05 × 19,149.12
  4. Step 4: Simplify right side
    69,074.24x = 1,983,868,890.70
  5. Step 5: Solve for x
    x = 1,983,868,890.70/69,074.24
  6. Step 6: Final answer
    x = 28,720.82

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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.