Home / 47,982.30-71,946.45-18,401.10

Finding the Fourth Proportional to 47,982.30, 71,946.45 and 18,401.10

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Solution

The fourth proportional to 47,982.30, 71,946.45 and 18,401.10 is: 27,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.30 : 71,946.45 = 18,401.10 : x
  2. Step 2: Convert to fraction form
    47,982.30/71,946.45 = 18,401.10/x
  3. Step 3: Cross multiply
    47,982.30x = 71,946.45 × 18,401.10
  4. Step 4: Simplify right side
    47,982.30x = 1,323,893,821.10
  5. Step 5: Solve for x
    x = 1,323,893,821.10/47,982.30
  6. Step 6: Final answer
    x = 27,591.30

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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.