Home / 50,340.72-75,565.77-20,375.58

Finding the Fourth Proportional to 50,340.72, 75,565.77 and 20,375.58

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Solution

The fourth proportional to 50,340.72, 75,565.77 and 20,375.58 is: 30,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,340.72 : 75,565.77 = 20,375.58 : x
  2. Step 2: Convert to fraction form
    50,340.72/75,565.77 = 20,375.58/x
  3. Step 3: Cross multiply
    50,340.72x = 75,565.77 × 20,375.58
  4. Step 4: Simplify right side
    50,340.72x = 1,539,696,391.90
  5. Step 5: Solve for x
    x = 1,539,696,391.90/50,340.72
  6. Step 6: Final answer
    x = 30,585.51

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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.