Home / 47,921.28-71,890.62-16,329.72

Finding the Fourth Proportional to 47,921.28, 71,890.62 and 16,329.72

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Solution

The fourth proportional to 47,921.28, 71,890.62 and 16,329.72 is: 24,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.28 : 71,890.62 = 16,329.72 : x
  2. Step 2: Convert to fraction form
    47,921.28/71,890.62 = 16,329.72/x
  3. Step 3: Cross multiply
    47,921.28x = 71,890.62 × 16,329.72
  4. Step 4: Simplify right side
    47,921.28x = 1,173,953,695.23
  5. Step 5: Solve for x
    x = 1,173,953,695.23/47,921.28
  6. Step 6: Final answer
    x = 24,497.54

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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.