Home / 47,720.90-71,558.87-17,714.34

Finding the Fourth Proportional to 47,720.90, 71,558.87 and 17,714.34

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Solution

The fourth proportional to 47,720.90, 71,558.87 and 17,714.34 is: 26,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720.90 : 71,558.87 = 17,714.34 : x
  2. Step 2: Convert to fraction form
    47,720.90/71,558.87 = 17,714.34/x
  3. Step 3: Cross multiply
    47,720.90x = 71,558.87 × 17,714.34
  4. Step 4: Simplify right side
    47,720.90x = 1,267,618,064.62
  5. Step 5: Solve for x
    x = 1,267,618,064.62/47,720.90
  6. Step 6: Final answer
    x = 26,563.16

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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.