Home / 47,142.60-70,736.94-22,185.15

Finding the Fourth Proportional to 47,142.60, 70,736.94 and 22,185.15

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Solution

The fourth proportional to 47,142.60, 70,736.94 and 22,185.15 is: 33,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,142.60 : 70,736.94 = 22,185.15 : x
  2. Step 2: Convert to fraction form
    47,142.60/70,736.94 = 22,185.15/x
  3. Step 3: Cross multiply
    47,142.60x = 70,736.94 × 22,185.15
  4. Step 4: Simplify right side
    47,142.60x = 1,569,309,624.44
  5. Step 5: Solve for x
    x = 1,569,309,624.44/47,142.60
  6. Step 6: Final answer
    x = 33,288.57

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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.