Home / 39,517.72-59,268.48-17,318.86

Finding the Fourth Proportional to 39,517.72, 59,268.48 and 17,318.86

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Solution

The fourth proportional to 39,517.72, 59,268.48 and 17,318.86 is: 25,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517.72 : 59,268.48 = 17,318.86 : x
  2. Step 2: Convert to fraction form
    39,517.72/59,268.48 = 17,318.86/x
  3. Step 3: Cross multiply
    39,517.72x = 59,268.48 × 17,318.86
  4. Step 4: Simplify right side
    39,517.72x = 1,026,462,507.53
  5. Step 5: Solve for x
    x = 1,026,462,507.53/39,517.72
  6. Step 6: Final answer
    x = 25,974.74

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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.