Home / 39,993.56-55,189.68-22,087.64

Finding the Fourth Proportional to 39,993.56, 55,189.68 and 22,087.64

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Solution

The fourth proportional to 39,993.56, 55,189.68 and 22,087.64 is: 30,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,993.56 : 55,189.68 = 22,087.64 : x
  2. Step 2: Convert to fraction form
    39,993.56/55,189.68 = 22,087.64/x
  3. Step 3: Cross multiply
    39,993.56x = 55,189.68 × 22,087.64
  4. Step 4: Simplify right side
    39,993.56x = 1,219,009,783.56
  5. Step 5: Solve for x
    x = 1,219,009,783.56/39,993.56
  6. Step 6: Final answer
    x = 30,480.15

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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.