Home / 35,291.76-48,693.11-20,181.30

Finding the Fourth Proportional to 35,291.76, 48,693.11 and 20,181.30

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Solution

The fourth proportional to 35,291.76, 48,693.11 and 20,181.30 is: 27,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,291.76 : 48,693.11 = 20,181.30 : x
  2. Step 2: Convert to fraction form
    35,291.76/48,693.11 = 20,181.30/x
  3. Step 3: Cross multiply
    35,291.76x = 48,693.11 × 20,181.30
  4. Step 4: Simplify right side
    35,291.76x = 982,690,260.84
  5. Step 5: Solve for x
    x = 982,690,260.84/35,291.76
  6. Step 6: Final answer
    x = 27,844.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.