Home / 47,819.92-71,670.48-16,618.72

Finding the Fourth Proportional to 47,819.92, 71,670.48 and 16,618.72

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Solution

The fourth proportional to 47,819.92, 71,670.48 and 16,618.72 is: 24,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,819.92 : 71,670.48 = 16,618.72 : x
  2. Step 2: Convert to fraction form
    47,819.92/71,670.48 = 16,618.72/x
  3. Step 3: Cross multiply
    47,819.92x = 71,670.48 × 16,618.72
  4. Step 4: Simplify right side
    47,819.92x = 1,191,071,639.39
  5. Step 5: Solve for x
    x = 1,191,071,639.39/47,819.92
  6. Step 6: Final answer
    x = 24,907.44

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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.