Home / 47,016.16-70,542.68-20,702.44

Finding the Fourth Proportional to 47,016.16, 70,542.68 and 20,702.44

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Solution

The fourth proportional to 47,016.16, 70,542.68 and 20,702.44 is: 31,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,016.16 : 70,542.68 = 20,702.44 : x
  2. Step 2: Convert to fraction form
    47,016.16/70,542.68 = 20,702.44/x
  3. Step 3: Cross multiply
    47,016.16x = 70,542.68 × 20,702.44
  4. Step 4: Simplify right side
    47,016.16x = 1,460,405,600.14
  5. Step 5: Solve for x
    x = 1,460,405,600.14/47,016.16
  6. Step 6: Final answer
    x = 31,061.78

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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.