Home / 38,639,231.60-57,958,847.40-20,723,327.60

Finding the Fourth Proportional to 38,639,231.60, 57,958,847.40 and 20,723,327.60

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Solution

The fourth proportional to 38,639,231.60, 57,958,847.40 and 20,723,327.60 is: 31,084,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639,231.60 : 57,958,847.40 = 20,723,327.60 : x
  2. Step 2: Convert to fraction form
    38,639,231.60/57,958,847.40 = 20,723,327.60/x
  3. Step 3: Cross multiply
    38,639,231.60x = 57,958,847.40 × 20,723,327.60
  4. Step 4: Simplify right side
    38,639,231.60x = 1,201,100,181,988,608.25
  5. Step 5: Solve for x
    x = 1,201,100,181,988,608.25/38,639,231.60
  6. Step 6: Final answer
    x = 31,084,991.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.