Home / 39,922.65-55,092.07-22,017.65

Finding the Fourth Proportional to 39,922.65, 55,092.07 and 22,017.65

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Solution

The fourth proportional to 39,922.65, 55,092.07 and 22,017.65 is: 30,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922.65 : 55,092.07 = 22,017.65 : x
  2. Step 2: Convert to fraction form
    39,922.65/55,092.07 = 22,017.65/x
  3. Step 3: Cross multiply
    39,922.65x = 55,092.07 × 22,017.65
  4. Step 4: Simplify right side
    39,922.65x = 1,212,997,915.04
  5. Step 5: Solve for x
    x = 1,212,997,915.04/39,922.65
  6. Step 6: Final answer
    x = 30,383.70

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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.