Home / 51,336.88-76,985.36-15,787.60

Finding the Fourth Proportional to 51,336.88, 76,985.36 and 15,787.60

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Solution

The fourth proportional to 51,336.88, 76,985.36 and 15,787.60 is: 23,675.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,336.88 : 76,985.36 = 15,787.60 : x
  2. Step 2: Convert to fraction form
    51,336.88/76,985.36 = 15,787.60/x
  3. Step 3: Cross multiply
    51,336.88x = 76,985.36 × 15,787.60
  4. Step 4: Simplify right side
    51,336.88x = 1,215,414,069.54
  5. Step 5: Solve for x
    x = 1,215,414,069.54/51,336.88
  6. Step 6: Final answer
    x = 23,675.26

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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.