Home / 39,273.12-54,197.14-21,368.26

Finding the Fourth Proportional to 39,273.12, 54,197.14 and 21,368.26

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Solution

The fourth proportional to 39,273.12, 54,197.14 and 21,368.26 is: 29,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,273.12 : 54,197.14 = 21,368.26 : x
  2. Step 2: Convert to fraction form
    39,273.12/54,197.14 = 21,368.26/x
  3. Step 3: Cross multiply
    39,273.12x = 54,197.14 × 21,368.26
  4. Step 4: Simplify right side
    39,273.12x = 1,158,098,578.78
  5. Step 5: Solve for x
    x = 1,158,098,578.78/39,273.12
  6. Step 6: Final answer
    x = 29,488.33

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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.