Home / 47,818.17-71,735.94-19,722.90

Finding the Fourth Proportional to 47,818.17, 71,735.94 and 19,722.90

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Solution

The fourth proportional to 47,818.17, 71,735.94 and 19,722.90 is: 29,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,818.17 : 71,735.94 = 19,722.90 : x
  2. Step 2: Convert to fraction form
    47,818.17/71,735.94 = 19,722.90/x
  3. Step 3: Cross multiply
    47,818.17x = 71,735.94 × 19,722.90
  4. Step 4: Simplify right side
    47,818.17x = 1,414,840,771.03
  5. Step 5: Solve for x
    x = 1,414,840,771.03/47,818.17
  6. Step 6: Final answer
    x = 29,587.93

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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.