Home / 38,106.25-52,590.52-21,974.17

Finding the Fourth Proportional to 38,106.25, 52,590.52 and 21,974.17

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Solution

The fourth proportional to 38,106.25, 52,590.52 and 21,974.17 is: 30,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,106.25 : 52,590.52 = 21,974.17 : x
  2. Step 2: Convert to fraction form
    38,106.25/52,590.52 = 21,974.17/x
  3. Step 3: Cross multiply
    38,106.25x = 52,590.52 × 21,974.17
  4. Step 4: Simplify right side
    38,106.25x = 1,155,632,786.93
  5. Step 5: Solve for x
    x = 1,155,632,786.93/38,106.25
  6. Step 6: Final answer
    x = 30,326.59

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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.