Home / 47,971.39-71,916.05-18,410.44

Finding the Fourth Proportional to 47,971.39, 71,916.05 and 18,410.44

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Solution

The fourth proportional to 47,971.39, 71,916.05 and 18,410.44 is: 27,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,971.39 : 71,916.05 = 18,410.44 : x
  2. Step 2: Convert to fraction form
    47,971.39/71,916.05 = 18,410.44/x
  3. Step 3: Cross multiply
    47,971.39x = 71,916.05 × 18,410.44
  4. Step 4: Simplify right side
    47,971.39x = 1,324,006,123.56
  5. Step 5: Solve for x
    x = 1,324,006,123.56/47,971.39
  6. Step 6: Final answer
    x = 27,599.91

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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.