Home / 39,910.42-59,879.34-13,633.66

Finding the Fourth Proportional to 39,910.42, 59,879.34 and 13,633.66

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Solution

The fourth proportional to 39,910.42, 59,879.34 and 13,633.66 is: 20,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.42 : 59,879.34 = 13,633.66 : x
  2. Step 2: Convert to fraction form
    39,910.42/59,879.34 = 13,633.66/x
  3. Step 3: Cross multiply
    39,910.42x = 59,879.34 × 13,633.66
  4. Step 4: Simplify right side
    39,910.42x = 816,374,562.58
  5. Step 5: Solve for x
    x = 816,374,562.58/39,910.42
  6. Step 6: Final answer
    x = 20,455.17

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1.5x scale

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.