Home / 50,275.57-69,363.28-28,749.97

Finding the Fourth Proportional to 50,275.57, 69,363.28 and 28,749.97

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Solution

The fourth proportional to 50,275.57, 69,363.28 and 28,749.97 is: 39,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,275.57 : 69,363.28 = 28,749.97 : x
  2. Step 2: Convert to fraction form
    50,275.57/69,363.28 = 28,749.97/x
  3. Step 3: Cross multiply
    50,275.57x = 69,363.28 × 28,749.97
  4. Step 4: Simplify right side
    50,275.57x = 1,994,192,219.10
  5. Step 5: Solve for x
    x = 1,994,192,219.10/50,275.57
  6. Step 6: Final answer
    x = 39,665.23

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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.