Home / 39,910.27-55,078.63-22,005.22

Finding the Fourth Proportional to 39,910.27, 55,078.63 and 22,005.22

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Solution

The fourth proportional to 39,910.27, 55,078.63 and 22,005.22 is: 30,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.27 : 55,078.63 = 22,005.22 : x
  2. Step 2: Convert to fraction form
    39,910.27/55,078.63 = 22,005.22/x
  3. Step 3: Cross multiply
    39,910.27x = 55,078.63 × 22,005.22
  4. Step 4: Simplify right side
    39,910.27x = 1,212,017,177.74
  5. Step 5: Solve for x
    x = 1,212,017,177.74/39,910.27
  6. Step 6: Final answer
    x = 30,368.56

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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.