Home / 39,159.26-54,039.19-22,166.72

Finding the Fourth Proportional to 39,159.26, 54,039.19 and 22,166.72

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Solution

The fourth proportional to 39,159.26, 54,039.19 and 22,166.72 is: 30,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.26 : 54,039.19 = 22,166.72 : x
  2. Step 2: Convert to fraction form
    39,159.26/54,039.19 = 22,166.72/x
  3. Step 3: Cross multiply
    39,159.26x = 54,039.19 × 22,166.72
  4. Step 4: Simplify right side
    39,159.26x = 1,197,871,673.44
  5. Step 5: Solve for x
    x = 1,197,871,673.44/39,159.26
  6. Step 6: Final answer
    x = 30,589.75

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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.