Home / 38,086.89-52,560.44-21,945.28

Finding the Fourth Proportional to 38,086.89, 52,560.44 and 21,945.28

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Solution

The fourth proportional to 38,086.89, 52,560.44 and 21,945.28 is: 30,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,086.89 : 52,560.44 = 21,945.28 : x
  2. Step 2: Convert to fraction form
    38,086.89/52,560.44 = 21,945.28/x
  3. Step 3: Cross multiply
    38,086.89x = 52,560.44 × 21,945.28
  4. Step 4: Simplify right side
    38,086.89x = 1,153,453,572.72
  5. Step 5: Solve for x
    x = 1,153,453,572.72/38,086.89
  6. Step 6: Final answer
    x = 30,284.79

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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.