Home / 39,952.39-55,135.45-21,804.27

Finding the Fourth Proportional to 39,952.39, 55,135.45 and 21,804.27

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Solution

The fourth proportional to 39,952.39, 55,135.45 and 21,804.27 is: 30,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,952.39 : 55,135.45 = 21,804.27 : x
  2. Step 2: Convert to fraction form
    39,952.39/55,135.45 = 21,804.27/x
  3. Step 3: Cross multiply
    39,952.39x = 55,135.45 × 21,804.27
  4. Step 4: Simplify right side
    39,952.39x = 1,202,188,575.75
  5. Step 5: Solve for x
    x = 1,202,188,575.75/39,952.39
  6. Step 6: Final answer
    x = 30,090.53

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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.