Home / 48,672.20-72,999.30-13,604.60

Finding the Fourth Proportional to 48,672.20, 72,999.30 and 13,604.60

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Solution

The fourth proportional to 48,672.20, 72,999.30 and 13,604.60 is: 20,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672.20 : 72,999.30 = 13,604.60 : x
  2. Step 2: Convert to fraction form
    48,672.20/72,999.30 = 13,604.60/x
  3. Step 3: Cross multiply
    48,672.20x = 72,999.30 × 13,604.60
  4. Step 4: Simplify right side
    48,672.20x = 993,126,276.78
  5. Step 5: Solve for x
    x = 993,126,276.78/48,672.20
  6. Step 6: Final answer
    x = 20,404.38

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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.