Home / 35,761.78-53,630.52-12,382.75

Finding the Fourth Proportional to 35,761.78, 53,630.52 and 12,382.75

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Solution

The fourth proportional to 35,761.78, 53,630.52 and 12,382.75 is: 18,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,761.78 : 53,630.52 = 12,382.75 : x
  2. Step 2: Convert to fraction form
    35,761.78/53,630.52 = 12,382.75/x
  3. Step 3: Cross multiply
    35,761.78x = 53,630.52 × 12,382.75
  4. Step 4: Simplify right side
    35,761.78x = 664,093,321.53
  5. Step 5: Solve for x
    x = 664,093,321.53/35,761.78
  6. Step 6: Final answer
    x = 18,569.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.