Home / 47,984.28-72,008.40-16,819.56

Finding the Fourth Proportional to 47,984.28, 72,008.40 and 16,819.56

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Solution

The fourth proportional to 47,984.28, 72,008.40 and 16,819.56 is: 25,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,984.28 : 72,008.40 = 16,819.56 : x
  2. Step 2: Convert to fraction form
    47,984.28/72,008.40 = 16,819.56/x
  3. Step 3: Cross multiply
    47,984.28x = 72,008.40 × 16,819.56
  4. Step 4: Simplify right side
    47,984.28x = 1,211,149,604.30
  5. Step 5: Solve for x
    x = 1,211,149,604.30/47,984.28
  6. Step 6: Final answer
    x = 25,240.55

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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.