Home / 47,379.18-71,007.13-19,266.46

Finding the Fourth Proportional to 47,379.18, 71,007.13 and 19,266.46

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Solution

The fourth proportional to 47,379.18, 71,007.13 and 19,266.46 is: 28,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,379.18 : 71,007.13 = 19,266.46 : x
  2. Step 2: Convert to fraction form
    47,379.18/71,007.13 = 19,266.46/x
  3. Step 3: Cross multiply
    47,379.18x = 71,007.13 × 19,266.46
  4. Step 4: Simplify right side
    47,379.18x = 1,368,055,876.43
  5. Step 5: Solve for x
    x = 1,368,055,876.43/47,379.18
  6. Step 6: Final answer
    x = 28,874.62

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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.