Home / 47,352.12-71,013.60-39,974.64

Finding the Fourth Proportional to 47,352.12, 71,013.60 and 39,974.64

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Solution

The fourth proportional to 47,352.12, 71,013.60 and 39,974.64 is: 59,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,352.12 : 71,013.60 = 39,974.64 : x
  2. Step 2: Convert to fraction form
    47,352.12/71,013.60 = 39,974.64/x
  3. Step 3: Cross multiply
    47,352.12x = 71,013.60 × 39,974.64
  4. Step 4: Simplify right side
    47,352.12x = 2,838,743,095.10
  5. Step 5: Solve for x
    x = 2,838,743,095.10/47,352.12
  6. Step 6: Final answer
    x = 59,949.65

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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.