Home / 50,376.12-69,519.10-28,020.12

Finding the Fourth Proportional to 50,376.12, 69,519.10 and 28,020.12

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Solution

The fourth proportional to 50,376.12, 69,519.10 and 28,020.12 is: 38,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,376.12 : 69,519.10 = 28,020.12 : x
  2. Step 2: Convert to fraction form
    50,376.12/69,519.10 = 28,020.12/x
  3. Step 3: Cross multiply
    50,376.12x = 69,519.10 × 28,020.12
  4. Step 4: Simplify right side
    50,376.12x = 1,947,933,524.29
  5. Step 5: Solve for x
    x = 1,947,933,524.29/50,376.12
  6. Step 6: Final answer
    x = 38,667.80

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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.