Home / 39,243.48-58,856.30-11,162.90

Finding the Fourth Proportional to 39,243.48, 58,856.30 and 11,162.90

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Solution

The fourth proportional to 39,243.48, 58,856.30 and 11,162.90 is: 16,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243.48 : 58,856.30 = 11,162.90 : x
  2. Step 2: Convert to fraction form
    39,243.48/58,856.30 = 11,162.90/x
  3. Step 3: Cross multiply
    39,243.48x = 58,856.30 × 11,162.90
  4. Step 4: Simplify right side
    39,243.48x = 657,006,991.27
  5. Step 5: Solve for x
    x = 657,006,991.27/39,243.48
  6. Step 6: Final answer
    x = 16,741.81

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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.