Home / 47,832.40-71,709.72-16,689.52

Finding the Fourth Proportional to 47,832.40, 71,709.72 and 16,689.52

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Solution

The fourth proportional to 47,832.40, 71,709.72 and 16,689.52 is: 25,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,832.40 : 71,709.72 = 16,689.52 : x
  2. Step 2: Convert to fraction form
    47,832.40/71,709.72 = 16,689.52/x
  3. Step 3: Cross multiply
    47,832.40x = 71,709.72 × 16,689.52
  4. Step 4: Simplify right side
    47,832.40x = 1,196,800,806.13
  5. Step 5: Solve for x
    x = 1,196,800,806.13/47,832.40
  6. Step 6: Final answer
    x = 25,020.71

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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.