Home / 39,842.88-59,790.24-17,670.72

Finding the Fourth Proportional to 39,842.88, 59,790.24 and 17,670.72

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Solution

The fourth proportional to 39,842.88, 59,790.24 and 17,670.72 is: 26,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,842.88 : 59,790.24 = 17,670.72 : x
  2. Step 2: Convert to fraction form
    39,842.88/59,790.24 = 17,670.72/x
  3. Step 3: Cross multiply
    39,842.88x = 59,790.24 × 17,670.72
  4. Step 4: Simplify right side
    39,842.88x = 1,056,536,589.77
  5. Step 5: Solve for x
    x = 1,056,536,589.77/39,842.88
  6. Step 6: Final answer
    x = 26,517.58

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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.