Home / 45,916.34-68,876.01-12,636.27

Finding the Fourth Proportional to 45,916.34, 68,876.01 and 12,636.27

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Solution

The fourth proportional to 45,916.34, 68,876.01 and 12,636.27 is: 18,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,916.34 : 68,876.01 = 12,636.27 : x
  2. Step 2: Convert to fraction form
    45,916.34/68,876.01 = 12,636.27/x
  3. Step 3: Cross multiply
    45,916.34x = 68,876.01 × 12,636.27
  4. Step 4: Simplify right side
    45,916.34x = 870,335,858.88
  5. Step 5: Solve for x
    x = 870,335,858.88/45,916.34
  6. Step 6: Final answer
    x = 18,954.82

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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.