Home / 47,517.36-71,269.56-12,454.08

Finding the Fourth Proportional to 47,517.36, 71,269.56 and 12,454.08

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Solution

The fourth proportional to 47,517.36, 71,269.56 and 12,454.08 is: 18,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,517.36 : 71,269.56 = 12,454.08 : x
  2. Step 2: Convert to fraction form
    47,517.36/71,269.56 = 12,454.08/x
  3. Step 3: Cross multiply
    47,517.36x = 71,269.56 × 12,454.08
  4. Step 4: Simplify right side
    47,517.36x = 887,596,801.80
  5. Step 5: Solve for x
    x = 887,596,801.80/47,517.36
  6. Step 6: Final answer
    x = 18,679.42

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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.