Home / 47,420.50-71,107.05-15,819.56

Finding the Fourth Proportional to 47,420.50, 71,107.05 and 15,819.56

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Solution

The fourth proportional to 47,420.50, 71,107.05 and 15,819.56 is: 23,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,420.50 : 71,107.05 = 15,819.56 : x
  2. Step 2: Convert to fraction form
    47,420.50/71,107.05 = 15,819.56/x
  3. Step 3: Cross multiply
    47,420.50x = 71,107.05 × 15,819.56
  4. Step 4: Simplify right side
    47,420.50x = 1,124,882,243.90
  5. Step 5: Solve for x
    x = 1,124,882,243.90/47,420.50
  6. Step 6: Final answer
    x = 23,721.43

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1.5x scale

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.