Home / 39,251.03-54,129.21-30,284.33

Finding the Fourth Proportional to 39,251.03, 54,129.21 and 30,284.33

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Solution

The fourth proportional to 39,251.03, 54,129.21 and 30,284.33 is: 41,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.03 : 54,129.21 = 30,284.33 : x
  2. Step 2: Convert to fraction form
    39,251.03/54,129.21 = 30,284.33/x
  3. Step 3: Cross multiply
    39,251.03x = 54,129.21 × 30,284.33
  4. Step 4: Simplify right side
    39,251.03x = 1,639,266,858.28
  5. Step 5: Solve for x
    x = 1,639,266,858.28/39,251.03
  6. Step 6: Final answer
    x = 41,763.66

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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.