Home / 34,166.40-51,255.20-10,787.20

Finding the Fourth Proportional to 34,166.40, 51,255.20 and 10,787.20

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Solution

The fourth proportional to 34,166.40, 51,255.20 and 10,787.20 is: 16,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,166.40 : 51,255.20 = 10,787.20 : x
  2. Step 2: Convert to fraction form
    34,166.40/51,255.20 = 10,787.20/x
  3. Step 3: Cross multiply
    34,166.40x = 51,255.20 × 10,787.20
  4. Step 4: Simplify right side
    34,166.40x = 552,900,093.44
  5. Step 5: Solve for x
    x = 552,900,093.44/34,166.40
  6. Step 6: Final answer
    x = 16,182.57

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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.