Home / 39,922.15-55,091.38-22,017.15

Finding the Fourth Proportional to 39,922.15, 55,091.38 and 22,017.15

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Solution

The fourth proportional to 39,922.15, 55,091.38 and 22,017.15 is: 30,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922.15 : 55,091.38 = 22,017.15 : x
  2. Step 2: Convert to fraction form
    39,922.15/55,091.38 = 22,017.15/x
  3. Step 3: Cross multiply
    39,922.15x = 55,091.38 × 22,017.15
  4. Step 4: Simplify right side
    39,922.15x = 1,212,955,177.17
  5. Step 5: Solve for x
    x = 1,212,955,177.17/39,922.15
  6. Step 6: Final answer
    x = 30,383.01

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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.