Home / 38,923.88-53,703.85-21,922.18

Finding the Fourth Proportional to 38,923.88, 53,703.85 and 21,922.18

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Solution

The fourth proportional to 38,923.88, 53,703.85 and 21,922.18 is: 30,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,923.88 : 53,703.85 = 21,922.18 : x
  2. Step 2: Convert to fraction form
    38,923.88/53,703.85 = 21,922.18/x
  3. Step 3: Cross multiply
    38,923.88x = 53,703.85 × 21,922.18
  4. Step 4: Simplify right side
    38,923.88x = 1,177,305,277.33
  5. Step 5: Solve for x
    x = 1,177,305,277.33/38,923.88
  6. Step 6: Final answer
    x = 30,246.35

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Double scale
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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.