Home / 39,652.12-54,723.44-21,750.62

Finding the Fourth Proportional to 39,652.12, 54,723.44 and 21,750.62

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Solution

The fourth proportional to 39,652.12, 54,723.44 and 21,750.62 is: 30,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,652.12 : 54,723.44 = 21,750.62 : x
  2. Step 2: Convert to fraction form
    39,652.12/54,723.44 = 21,750.62/x
  3. Step 3: Cross multiply
    39,652.12x = 54,723.44 × 21,750.62
  4. Step 4: Simplify right side
    39,652.12x = 1,190,268,622.03
  5. Step 5: Solve for x
    x = 1,190,268,622.03/39,652.12
  6. Step 6: Final answer
    x = 30,017.78

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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.