Home / 38,153.49-52,648.97-21,383.25

Finding the Fourth Proportional to 38,153.49, 52,648.97 and 21,383.25

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Solution

The fourth proportional to 38,153.49, 52,648.97 and 21,383.25 is: 29,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,153.49 : 52,648.97 = 21,383.25 : x
  2. Step 2: Convert to fraction form
    38,153.49/52,648.97 = 21,383.25/x
  3. Step 3: Cross multiply
    38,153.49x = 52,648.97 × 21,383.25
  4. Step 4: Simplify right side
    38,153.49x = 1,125,805,980.84
  5. Step 5: Solve for x
    x = 1,125,805,980.84/38,153.49
  6. Step 6: Final answer
    x = 29,507.29

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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.