Home / 34,865.31-48,114.45-18,949.77

Finding the Fourth Proportional to 34,865.31, 48,114.45 and 18,949.77

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Solution

The fourth proportional to 34,865.31, 48,114.45 and 18,949.77 is: 26,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.31 : 48,114.45 = 18,949.77 : x
  2. Step 2: Convert to fraction form
    34,865.31/48,114.45 = 18,949.77/x
  3. Step 3: Cross multiply
    34,865.31x = 48,114.45 × 18,949.77
  4. Step 4: Simplify right side
    34,865.31x = 911,757,761.18
  5. Step 5: Solve for x
    x = 911,757,761.18/34,865.31
  6. Step 6: Final answer
    x = 26,150.86

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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.