Home / 38,241.42-52,772.42-21,245.60

Finding the Fourth Proportional to 38,241.42, 52,772.42 and 21,245.60

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Solution

The fourth proportional to 38,241.42, 52,772.42 and 21,245.60 is: 29,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,241.42 : 52,772.42 = 21,245.60 : x
  2. Step 2: Convert to fraction form
    38,241.42/52,772.42 = 21,245.60/x
  3. Step 3: Cross multiply
    38,241.42x = 52,772.42 × 21,245.60
  4. Step 4: Simplify right side
    38,241.42x = 1,121,181,356.26
  5. Step 5: Solve for x
    x = 1,121,181,356.26/38,241.42
  6. Step 6: Final answer
    x = 29,318.51

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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.