Home / 39,936.75-59,899.92-11,856.24

Finding the Fourth Proportional to 39,936.75, 59,899.92 and 11,856.24

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Solution

The fourth proportional to 39,936.75, 59,899.92 and 11,856.24 is: 17,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.75 : 59,899.92 = 11,856.24 : x
  2. Step 2: Convert to fraction form
    39,936.75/59,899.92 = 11,856.24/x
  3. Step 3: Cross multiply
    39,936.75x = 59,899.92 × 11,856.24
  4. Step 4: Simplify right side
    39,936.75x = 710,187,827.50
  5. Step 5: Solve for x
    x = 710,187,827.50/39,936.75
  6. Step 6: Final answer
    x = 17,782.81

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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.