Home / 39,921.39-59,871.87-11,834.88

Finding the Fourth Proportional to 39,921.39, 59,871.87 and 11,834.88

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Solution

The fourth proportional to 39,921.39, 59,871.87 and 11,834.88 is: 17,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,921.39 : 59,871.87 = 11,834.88 : x
  2. Step 2: Convert to fraction form
    39,921.39/59,871.87 = 11,834.88/x
  3. Step 3: Cross multiply
    39,921.39x = 59,871.87 × 11,834.88
  4. Step 4: Simplify right side
    39,921.39x = 708,576,139.02
  5. Step 5: Solve for x
    x = 708,576,139.02/39,921.39
  6. Step 6: Final answer
    x = 17,749.29

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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.