Home / 38,610.76-53,283.54-21,847.24

Finding the Fourth Proportional to 38,610.76, 53,283.54 and 21,847.24

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Solution

The fourth proportional to 38,610.76, 53,283.54 and 21,847.24 is: 30,149.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,610.76 : 53,283.54 = 21,847.24 : x
  2. Step 2: Convert to fraction form
    38,610.76/53,283.54 = 21,847.24/x
  3. Step 3: Cross multiply
    38,610.76x = 53,283.54 × 21,847.24
  4. Step 4: Simplify right side
    38,610.76x = 1,164,098,286.43
  5. Step 5: Solve for x
    x = 1,164,098,286.43/38,610.76
  6. Step 6: Final answer
    x = 30,149.58

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Half scale
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Double scale
Find fourth proportional to 38,611.76, 53,284.92 and 21,848.24
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.