Home / 50,696.78-69,961.19-28,035.81

Finding the Fourth Proportional to 50,696.78, 69,961.19 and 28,035.81

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Solution

The fourth proportional to 50,696.78, 69,961.19 and 28,035.81 is: 38,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,696.78 : 69,961.19 = 28,035.81 : x
  2. Step 2: Convert to fraction form
    50,696.78/69,961.19 = 28,035.81/x
  3. Step 3: Cross multiply
    50,696.78x = 69,961.19 × 28,035.81
  4. Step 4: Simplify right side
    50,696.78x = 1,961,418,490.03
  5. Step 5: Solve for x
    x = 1,961,418,490.03/50,696.78
  6. Step 6: Final answer
    x = 38,689.22

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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.