Home / 39,540.96-59,309.31-9,958.74

Finding the Fourth Proportional to 39,540.96, 59,309.31 and 9,958.74

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Solution

The fourth proportional to 39,540.96, 59,309.31 and 9,958.74 is: 14,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,540.96 : 59,309.31 = 9,958.74 : x
  2. Step 2: Convert to fraction form
    39,540.96/59,309.31 = 9,958.74/x
  3. Step 3: Cross multiply
    39,540.96x = 59,309.31 × 9,958.74
  4. Step 4: Simplify right side
    39,540.96x = 590,645,997.87
  5. Step 5: Solve for x
    x = 590,645,997.87/39,540.96
  6. Step 6: Final answer
    x = 14,937.57

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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.