Home / 38,403.33-52,994.57-21,635.25

Finding the Fourth Proportional to 38,403.33, 52,994.57 and 21,635.25

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Solution

The fourth proportional to 38,403.33, 52,994.57 and 21,635.25 is: 29,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403.33 : 52,994.57 = 21,635.25 : x
  2. Step 2: Convert to fraction form
    38,403.33/52,994.57 = 21,635.25/x
  3. Step 3: Cross multiply
    38,403.33x = 52,994.57 × 21,635.25
  4. Step 4: Simplify right side
    38,403.33x = 1,146,550,662.42
  5. Step 5: Solve for x
    x = 1,146,550,662.42/38,403.33
  6. Step 6: Final answer
    x = 29,855.50

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Half scale
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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.