Home / 61,787.28-92,626.11-30,180

Finding the Fourth Proportional to 61,787.28, 92,626.11 and 30,180

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Solution

The fourth proportional to 61,787.28, 92,626.11 and 30,180 is: 45,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,787.28 : 92,626.11 = 30,180 : x
  2. Step 2: Convert to fraction form
    61,787.28/92,626.11 = 30,180/x
  3. Step 3: Cross multiply
    61,787.28x = 92,626.11 × 30,180
  4. Step 4: Simplify right side
    61,787.28x = 2,795,455,999.80
  5. Step 5: Solve for x
    x = 2,795,455,999.80/61,787.28
  6. Step 6: Final answer
    x = 45,243.23

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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.