Home / 37,968.96-52,398.24-21,201.60

Finding the Fourth Proportional to 37,968.96, 52,398.24 and 21,201.60

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Solution

The fourth proportional to 37,968.96, 52,398.24 and 21,201.60 is: 29,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,968.96 : 52,398.24 = 21,201.60 : x
  2. Step 2: Convert to fraction form
    37,968.96/52,398.24 = 21,201.60/x
  3. Step 3: Cross multiply
    37,968.96x = 52,398.24 × 21,201.60
  4. Step 4: Simplify right side
    37,968.96x = 1,110,926,525.18
  5. Step 5: Solve for x
    x = 1,110,926,525.18/37,968.96
  6. Step 6: Final answer
    x = 29,258.81

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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.