Home / 50,565.38-69,780.25-28,209.38

Finding the Fourth Proportional to 50,565.38, 69,780.25 and 28,209.38

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Solution

The fourth proportional to 50,565.38, 69,780.25 and 28,209.38 is: 38,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,565.38 : 69,780.25 = 28,209.38 : x
  2. Step 2: Convert to fraction form
    50,565.38/69,780.25 = 28,209.38/x
  3. Step 3: Cross multiply
    50,565.38x = 69,780.25 × 28,209.38
  4. Step 4: Simplify right side
    50,565.38x = 1,968,457,169.32
  5. Step 5: Solve for x
    x = 1,968,457,169.32/50,565.38
  6. Step 6: Final answer
    x = 38,928.95

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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.