Home / 39,766.86-59,640.48-11,679.66

Finding the Fourth Proportional to 39,766.86, 59,640.48 and 11,679.66

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Solution

The fourth proportional to 39,766.86, 59,640.48 and 11,679.66 is: 17,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,766.86 : 59,640.48 = 11,679.66 : x
  2. Step 2: Convert to fraction form
    39,766.86/59,640.48 = 11,679.66/x
  3. Step 3: Cross multiply
    39,766.86x = 59,640.48 × 11,679.66
  4. Step 4: Simplify right side
    39,766.86x = 696,580,528.64
  5. Step 5: Solve for x
    x = 696,580,528.64/39,766.86
  6. Step 6: Final answer
    x = 17,516.61

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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.