Home / 39,273.21-54,197.25-21,368.33

Finding the Fourth Proportional to 39,273.21, 54,197.25 and 21,368.33

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Solution

The fourth proportional to 39,273.21, 54,197.25 and 21,368.33 is: 29,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,273.21 : 54,197.25 = 21,368.33 : x
  2. Step 2: Convert to fraction form
    39,273.21/54,197.25 = 21,368.33/x
  3. Step 3: Cross multiply
    39,273.21x = 54,197.25 × 21,368.33
  4. Step 4: Simplify right side
    39,273.21x = 1,158,104,723.09
  5. Step 5: Solve for x
    x = 1,158,104,723.09/39,273.21
  6. Step 6: Final answer
    x = 29,488.42

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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.