Home / 45,815.29-68,719.66-14,224.59

Finding the Fourth Proportional to 45,815.29, 68,719.66 and 14,224.59

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Solution

The fourth proportional to 45,815.29, 68,719.66 and 14,224.59 is: 21,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.29 : 68,719.66 = 14,224.59 : x
  2. Step 2: Convert to fraction form
    45,815.29/68,719.66 = 14,224.59/x
  3. Step 3: Cross multiply
    45,815.29x = 68,719.66 × 14,224.59
  4. Step 4: Simplify right side
    45,815.29x = 977,508,988.44
  5. Step 5: Solve for x
    x = 977,508,988.44/45,815.29
  6. Step 6: Final answer
    x = 21,335.87

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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.