Home / 34,155.31-51,232.93-10,781.75

Finding the Fourth Proportional to 34,155.31, 51,232.93 and 10,781.75

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Solution

The fourth proportional to 34,155.31, 51,232.93 and 10,781.75 is: 16,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,155.31 : 51,232.93 = 10,781.75 : x
  2. Step 2: Convert to fraction form
    34,155.31/51,232.93 = 10,781.75/x
  3. Step 3: Cross multiply
    34,155.31x = 51,232.93 × 10,781.75
  4. Step 4: Simplify right side
    34,155.31x = 552,380,643.03
  5. Step 5: Solve for x
    x = 552,380,643.03/34,155.31
  6. Step 6: Final answer
    x = 16,172.61

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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.