Home / 45,639.20-68,363.30-36,706.25

Finding the Fourth Proportional to 45,639.20, 68,363.30 and 36,706.25

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Solution

The fourth proportional to 45,639.20, 68,363.30 and 36,706.25 is: 54,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,639.20 : 68,363.30 = 36,706.25 : x
  2. Step 2: Convert to fraction form
    45,639.20/68,363.30 = 36,706.25/x
  3. Step 3: Cross multiply
    45,639.20x = 68,363.30 × 36,706.25
  4. Step 4: Simplify right side
    45,639.20x = 2,509,360,380.63
  5. Step 5: Solve for x
    x = 2,509,360,380.63/45,639.20
  6. Step 6: Final answer
    x = 54,982.57

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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.