Home / 49,993.85-69,008.88-28,781.57

Finding the Fourth Proportional to 49,993.85, 69,008.88 and 28,781.57

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Solution

The fourth proportional to 49,993.85, 69,008.88 and 28,781.57 is: 39,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,993.85 : 69,008.88 = 28,781.57 : x
  2. Step 2: Convert to fraction form
    49,993.85/69,008.88 = 28,781.57/x
  3. Step 3: Cross multiply
    49,993.85x = 69,008.88 × 28,781.57
  4. Step 4: Simplify right side
    49,993.85x = 1,986,183,565.30
  5. Step 5: Solve for x
    x = 1,986,183,565.30/49,993.85
  6. Step 6: Final answer
    x = 39,728.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.