Home / 50,288.38-69,411.93-28,790.17

Finding the Fourth Proportional to 50,288.38, 69,411.93 and 28,790.17

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Solution

The fourth proportional to 50,288.38, 69,411.93 and 28,790.17 is: 39,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,288.38 : 69,411.93 = 28,790.17 : x
  2. Step 2: Convert to fraction form
    50,288.38/69,411.93 = 28,790.17/x
  3. Step 3: Cross multiply
    50,288.38x = 69,411.93 × 28,790.17
  4. Step 4: Simplify right side
    50,288.38x = 1,998,380,983.24
  5. Step 5: Solve for x
    x = 1,998,380,983.24/50,288.38
  6. Step 6: Final answer
    x = 39,738.43

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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.