Home / 38,847.18-53,608.56-21,850.14

Finding the Fourth Proportional to 38,847.18, 53,608.56 and 21,850.14

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Solution

The fourth proportional to 38,847.18, 53,608.56 and 21,850.14 is: 30,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,847.18 : 53,608.56 = 21,850.14 : x
  2. Step 2: Convert to fraction form
    38,847.18/53,608.56 = 21,850.14/x
  3. Step 3: Cross multiply
    38,847.18x = 53,608.56 × 21,850.14
  4. Step 4: Simplify right side
    38,847.18x = 1,171,354,541.20
  5. Step 5: Solve for x
    x = 1,171,354,541.20/38,847.18
  6. Step 6: Final answer
    x = 30,152.88

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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.