Home / 47,866.32-71,778.61-14,578.56

Finding the Fourth Proportional to 47,866.32, 71,778.61 and 14,578.56

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Solution

The fourth proportional to 47,866.32, 71,778.61 and 14,578.56 is: 21,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,866.32 : 71,778.61 = 14,578.56 : x
  2. Step 2: Convert to fraction form
    47,866.32/71,778.61 = 14,578.56/x
  3. Step 3: Cross multiply
    47,866.32x = 71,778.61 × 14,578.56
  4. Step 4: Simplify right side
    47,866.32x = 1,046,428,772.60
  5. Step 5: Solve for x
    x = 1,046,428,772.60/47,866.32
  6. Step 6: Final answer
    x = 21,861.48

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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.