Home / 62,787.34-94,178.58-21,234.34

Finding the Fourth Proportional to 62,787.34, 94,178.58 and 21,234.34

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Solution

The fourth proportional to 62,787.34, 94,178.58 and 21,234.34 is: 31,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,787.34 : 94,178.58 = 21,234.34 : x
  2. Step 2: Convert to fraction form
    62,787.34/94,178.58 = 21,234.34/x
  3. Step 3: Cross multiply
    62,787.34x = 94,178.58 × 21,234.34
  4. Step 4: Simplify right side
    62,787.34x = 1,999,819,988.44
  5. Step 5: Solve for x
    x = 1,999,819,988.44/62,787.34
  6. Step 6: Final answer
    x = 31,850.69

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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.