Home / 38,871.90-58,214.39-22,181.31

Finding the Fourth Proportional to 38,871.90, 58,214.39 and 22,181.31

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Solution

The fourth proportional to 38,871.90, 58,214.39 and 22,181.31 is: 33,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.90 : 58,214.39 = 22,181.31 : x
  2. Step 2: Convert to fraction form
    38,871.90/58,214.39 = 22,181.31/x
  3. Step 3: Cross multiply
    38,871.90x = 58,214.39 × 22,181.31
  4. Step 4: Simplify right side
    38,871.90x = 1,291,271,320.14
  5. Step 5: Solve for x
    x = 1,291,271,320.14/38,871.90
  6. Step 6: Final answer
    x = 33,218.63

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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.