Home / 39,290.40-54,163.44-29,842.56

Finding the Fourth Proportional to 39,290.40, 54,163.44 and 29,842.56

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Solution

The fourth proportional to 39,290.40, 54,163.44 and 29,842.56 is: 41,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,290.40 : 54,163.44 = 29,842.56 : x
  2. Step 2: Convert to fraction form
    39,290.40/54,163.44 = 29,842.56/x
  3. Step 3: Cross multiply
    39,290.40x = 54,163.44 × 29,842.56
  4. Step 4: Simplify right side
    39,290.40x = 1,616,375,708.01
  5. Step 5: Solve for x
    x = 1,616,375,708.01/39,290.40
  6. Step 6: Final answer
    x = 41,139.20

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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.