Home / 38,081.23-52,554.05-21,087.33

Finding the Fourth Proportional to 38,081.23, 52,554.05 and 21,087.33

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Solution

The fourth proportional to 38,081.23, 52,554.05 and 21,087.33 is: 29,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.23 : 52,554.05 = 21,087.33 : x
  2. Step 2: Convert to fraction form
    38,081.23/52,554.05 = 21,087.33/x
  3. Step 3: Cross multiply
    38,081.23x = 52,554.05 × 21,087.33
  4. Step 4: Simplify right side
    38,081.23x = 1,108,224,595.19
  5. Step 5: Solve for x
    x = 1,108,224,595.19/38,081.23
  6. Step 6: Final answer
    x = 29,101.60

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Double scale
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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.