Home / 39,917.86-55,085.88-22,014.52

Finding the Fourth Proportional to 39,917.86, 55,085.88 and 22,014.52

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Solution

The fourth proportional to 39,917.86, 55,085.88 and 22,014.52 is: 30,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.86 : 55,085.88 = 22,014.52 : x
  2. Step 2: Convert to fraction form
    39,917.86/55,085.88 = 22,014.52/x
  3. Step 3: Cross multiply
    39,917.86x = 55,085.88 × 22,014.52
  4. Step 4: Simplify right side
    39,917.86x = 1,212,689,206.98
  5. Step 5: Solve for x
    x = 1,212,689,206.98/39,917.86
  6. Step 6: Final answer
    x = 30,379.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.