Home / 45,886.57-68,821.61-12,152.80

Finding the Fourth Proportional to 45,886.57, 68,821.61 and 12,152.80

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Solution

The fourth proportional to 45,886.57, 68,821.61 and 12,152.80 is: 18,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,886.57 : 68,821.61 = 12,152.80 : x
  2. Step 2: Convert to fraction form
    45,886.57/68,821.61 = 12,152.80/x
  3. Step 3: Cross multiply
    45,886.57x = 68,821.61 × 12,152.80
  4. Step 4: Simplify right side
    45,886.57x = 836,375,262.01
  5. Step 5: Solve for x
    x = 836,375,262.01/45,886.57
  6. Step 6: Final answer
    x = 18,227.02

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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.