Home / 45,885.06-68,819.36-12,151.29

Finding the Fourth Proportional to 45,885.06, 68,819.36 and 12,151.29

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Solution

The fourth proportional to 45,885.06, 68,819.36 and 12,151.29 is: 18,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,885.06 : 68,819.36 = 12,151.29 : x
  2. Step 2: Convert to fraction form
    45,885.06/68,819.36 = 12,151.29/x
  3. Step 3: Cross multiply
    45,885.06x = 68,819.36 × 12,151.29
  4. Step 4: Simplify right side
    45,885.06x = 836,244,000.97
  5. Step 5: Solve for x
    x = 836,244,000.97/45,885.06
  6. Step 6: Final answer
    x = 18,224.76

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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.