Home / 47,638.22-71,446.90-19,530.62

Finding the Fourth Proportional to 47,638.22, 71,446.90 and 19,530.62

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Solution

The fourth proportional to 47,638.22, 71,446.90 and 19,530.62 is: 29,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.22 : 71,446.90 = 19,530.62 : x
  2. Step 2: Convert to fraction form
    47,638.22/71,446.90 = 19,530.62/x
  3. Step 3: Cross multiply
    47,638.22x = 71,446.90 × 19,530.62
  4. Step 4: Simplify right side
    47,638.22x = 1,395,401,896.84
  5. Step 5: Solve for x
    x = 1,395,401,896.84/47,638.22
  6. Step 6: Final answer
    x = 29,291.65

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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.