Home / 50,581.28-69,805.20-28,226.72

Finding the Fourth Proportional to 50,581.28, 69,805.20 and 28,226.72

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Solution

The fourth proportional to 50,581.28, 69,805.20 and 28,226.72 is: 38,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,581.28 : 69,805.20 = 28,226.72 : x
  2. Step 2: Convert to fraction form
    50,581.28/69,805.20 = 28,226.72/x
  3. Step 3: Cross multiply
    50,581.28x = 69,805.20 × 28,226.72
  4. Step 4: Simplify right side
    50,581.28x = 1,970,371,834.94
  5. Step 5: Solve for x
    x = 1,970,371,834.94/50,581.28
  6. Step 6: Final answer
    x = 38,954.57

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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.