Home / 39,917.61-55,085.54-22,014.27

Finding the Fourth Proportional to 39,917.61, 55,085.54 and 22,014.27

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Solution

The fourth proportional to 39,917.61, 55,085.54 and 22,014.27 is: 30,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.61 : 55,085.54 = 22,014.27 : x
  2. Step 2: Convert to fraction form
    39,917.61/55,085.54 = 22,014.27/x
  3. Step 3: Cross multiply
    39,917.61x = 55,085.54 × 22,014.27
  4. Step 4: Simplify right side
    39,917.61x = 1,212,667,840.58
  5. Step 5: Solve for x
    x = 1,212,667,840.58/39,917.61
  6. Step 6: Final answer
    x = 30,379.27

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1.5x scale

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.