Home / 47,982.34-71,982.74-18,397.87

Finding the Fourth Proportional to 47,982.34, 71,982.74 and 18,397.87

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Solution

The fourth proportional to 47,982.34, 71,982.74 and 18,397.87 is: 27,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.34 : 71,982.74 = 18,397.87 : x
  2. Step 2: Convert to fraction form
    47,982.34/71,982.74 = 18,397.87/x
  3. Step 3: Cross multiply
    47,982.34x = 71,982.74 × 18,397.87
  4. Step 4: Simplify right side
    47,982.34x = 1,324,329,138.76
  5. Step 5: Solve for x
    x = 1,324,329,138.76/47,982.34
  6. Step 6: Final answer
    x = 27,600.34

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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.