Home / 38,928.24-53,721.04-22,161.24

Finding the Fourth Proportional to 38,928.24, 53,721.04 and 22,161.24

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Solution

The fourth proportional to 38,928.24, 53,721.04 and 22,161.24 is: 30,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,928.24 : 53,721.04 = 22,161.24 : x
  2. Step 2: Convert to fraction form
    38,928.24/53,721.04 = 22,161.24/x
  3. Step 3: Cross multiply
    38,928.24x = 53,721.04 × 22,161.24
  4. Step 4: Simplify right side
    38,928.24x = 1,190,524,860.49
  5. Step 5: Solve for x
    x = 1,190,524,860.49/38,928.24
  6. Step 6: Final answer
    x = 30,582.55

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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.