Home / 62,787.11-94,170.20-20,667.65

Finding the Fourth Proportional to 62,787.11, 94,170.20 and 20,667.65

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Solution

The fourth proportional to 62,787.11, 94,170.20 and 20,667.65 is: 30,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,787.11 : 94,170.20 = 20,667.65 : x
  2. Step 2: Convert to fraction form
    62,787.11/94,170.20 = 20,667.65/x
  3. Step 3: Cross multiply
    62,787.11x = 94,170.20 × 20,667.65
  4. Step 4: Simplify right side
    62,787.11x = 1,946,276,159.84
  5. Step 5: Solve for x
    x = 1,946,276,159.84/62,787.11
  6. Step 6: Final answer
    x = 30,998.02

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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.