Home / 39,633.12-59,469.16-15,939.68

Finding the Fourth Proportional to 39,633.12, 59,469.16 and 15,939.68

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Solution

The fourth proportional to 39,633.12, 59,469.16 and 15,939.68 is: 23,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,633.12 : 59,469.16 = 15,939.68 : x
  2. Step 2: Convert to fraction form
    39,633.12/59,469.16 = 15,939.68/x
  3. Step 3: Cross multiply
    39,633.12x = 59,469.16 × 15,939.68
  4. Step 4: Simplify right side
    39,633.12x = 947,919,380.27
  5. Step 5: Solve for x
    x = 947,919,380.27/39,633.12
  6. Step 6: Final answer
    x = 23,917.35

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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.