Home / 39,910.66-55,079.04-22,009.48

Finding the Fourth Proportional to 39,910.66, 55,079.04 and 22,009.48

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Solution

The fourth proportional to 39,910.66, 55,079.04 and 22,009.48 is: 30,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.66 : 55,079.04 = 22,009.48 : x
  2. Step 2: Convert to fraction form
    39,910.66/55,079.04 = 22,009.48/x
  3. Step 3: Cross multiply
    39,910.66x = 55,079.04 × 22,009.48
  4. Step 4: Simplify right side
    39,910.66x = 1,212,261,029.30
  5. Step 5: Solve for x
    x = 1,212,261,029.30/39,910.66
  6. Step 6: Final answer
    x = 30,374.37

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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.