Home / 39,998.06-60,006.93-11,917.98

Finding the Fourth Proportional to 39,998.06, 60,006.93 and 11,917.98

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Solution

The fourth proportional to 39,998.06, 60,006.93 and 11,917.98 is: 17,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.06 : 60,006.93 = 11,917.98 : x
  2. Step 2: Convert to fraction form
    39,998.06/60,006.93 = 11,917.98/x
  3. Step 3: Cross multiply
    39,998.06x = 60,006.93 × 11,917.98
  4. Step 4: Simplify right side
    39,998.06x = 715,161,391.60
  5. Step 5: Solve for x
    x = 715,161,391.60/39,998.06
  6. Step 6: Final answer
    x = 17,879.90

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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.