Home / 47,049.45-70,520.49-18,951.53

Finding the Fourth Proportional to 47,049.45, 70,520.49 and 18,951.53

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Solution

The fourth proportional to 47,049.45, 70,520.49 and 18,951.53 is: 28,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,049.45 : 70,520.49 = 18,951.53 : x
  2. Step 2: Convert to fraction form
    47,049.45/70,520.49 = 18,951.53/x
  3. Step 3: Cross multiply
    47,049.45x = 70,520.49 × 18,951.53
  4. Step 4: Simplify right side
    47,049.45x = 1,336,470,829.25
  5. Step 5: Solve for x
    x = 1,336,470,829.25/47,049.45
  6. Step 6: Final answer
    x = 28,405.66

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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.