Home / 51,236.23-76,845.65-13,787.95

Finding the Fourth Proportional to 51,236.23, 76,845.65 and 13,787.95

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Solution

The fourth proportional to 51,236.23, 76,845.65 and 13,787.95 is: 20,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,236.23 : 76,845.65 = 13,787.95 : x
  2. Step 2: Convert to fraction form
    51,236.23/76,845.65 = 13,787.95/x
  3. Step 3: Cross multiply
    51,236.23x = 76,845.65 × 13,787.95
  4. Step 4: Simplify right side
    51,236.23x = 1,059,543,979.92
  5. Step 5: Solve for x
    x = 1,059,543,979.92/51,236.23
  6. Step 6: Final answer
    x = 20,679.59

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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.