Home / 38,648.25-53,334.59-21,881.25

Finding the Fourth Proportional to 38,648.25, 53,334.59 and 21,881.25

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Solution

The fourth proportional to 38,648.25, 53,334.59 and 21,881.25 is: 30,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,648.25 : 53,334.59 = 21,881.25 : x
  2. Step 2: Convert to fraction form
    38,648.25/53,334.59 = 21,881.25/x
  3. Step 3: Cross multiply
    38,648.25x = 53,334.59 × 21,881.25
  4. Step 4: Simplify right side
    38,648.25x = 1,167,027,511.11
  5. Step 5: Solve for x
    x = 1,167,027,511.11/38,648.25
  6. Step 6: Final answer
    x = 30,196.13

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Similar ratio
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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.