Home / 50,082.66-69,113.43-28,863.90

Finding the Fourth Proportional to 50,082.66, 69,113.43 and 28,863.90

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Solution

The fourth proportional to 50,082.66, 69,113.43 and 28,863.90 is: 39,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,082.66 : 69,113.43 = 28,863.90 : x
  2. Step 2: Convert to fraction form
    50,082.66/69,113.43 = 28,863.90/x
  3. Step 3: Cross multiply
    50,082.66x = 69,113.43 × 28,863.90
  4. Step 4: Simplify right side
    50,082.66x = 1,994,883,132.18
  5. Step 5: Solve for x
    x = 1,994,883,132.18/50,082.66
  6. Step 6: Final answer
    x = 39,831.81

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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.