Home / 35,291.88-48,693.29-20,181.42

Finding the Fourth Proportional to 35,291.88, 48,693.29 and 20,181.42

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Solution

The fourth proportional to 35,291.88, 48,693.29 and 20,181.42 is: 27,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,291.88 : 48,693.29 = 20,181.42 : x
  2. Step 2: Convert to fraction form
    35,291.88/48,693.29 = 20,181.42/x
  3. Step 3: Cross multiply
    35,291.88x = 48,693.29 × 20,181.42
  4. Step 4: Simplify right side
    35,291.88x = 982,699,635.76
  5. Step 5: Solve for x
    x = 982,699,635.76/35,291.88
  6. Step 6: Final answer
    x = 27,844.92

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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.