Home / 40,787.52-61,190.04-12,706.96

Finding the Fourth Proportional to 40,787.52, 61,190.04 and 12,706.96

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Solution

The fourth proportional to 40,787.52, 61,190.04 and 12,706.96 is: 19,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.52 : 61,190.04 = 12,706.96 : x
  2. Step 2: Convert to fraction form
    40,787.52/61,190.04 = 12,706.96/x
  3. Step 3: Cross multiply
    40,787.52x = 61,190.04 × 12,706.96
  4. Step 4: Simplify right side
    40,787.52x = 777,539,390.68
  5. Step 5: Solve for x
    x = 777,539,390.68/40,787.52
  6. Step 6: Final answer
    x = 19,063.17

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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.