Home / 45,555.18-68,285.61-22,152.54

Finding the Fourth Proportional to 45,555.18, 68,285.61 and 22,152.54

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Solution

The fourth proportional to 45,555.18, 68,285.61 and 22,152.54 is: 33,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,555.18 : 68,285.61 = 22,152.54 : x
  2. Step 2: Convert to fraction form
    45,555.18/68,285.61 = 22,152.54/x
  3. Step 3: Cross multiply
    45,555.18x = 68,285.61 × 22,152.54
  4. Step 4: Simplify right side
    45,555.18x = 1,512,699,706.95
  5. Step 5: Solve for x
    x = 1,512,699,706.95/45,555.18
  6. Step 6: Final answer
    x = 33,205.88

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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.