Home / 47,290.20-70,936.54-12,229.76

Finding the Fourth Proportional to 47,290.20, 70,936.54 and 12,229.76

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Solution

The fourth proportional to 47,290.20, 70,936.54 and 12,229.76 is: 18,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,290.20 : 70,936.54 = 12,229.76 : x
  2. Step 2: Convert to fraction form
    47,290.20/70,936.54 = 12,229.76/x
  3. Step 3: Cross multiply
    47,290.20x = 70,936.54 × 12,229.76
  4. Step 4: Simplify right side
    47,290.20x = 867,536,859.43
  5. Step 5: Solve for x
    x = 867,536,859.43/47,290.20
  6. Step 6: Final answer
    x = 18,344.96

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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.