Home / 39,269.88-54,189.36-22,274.28

Finding the Fourth Proportional to 39,269.88, 54,189.36 and 22,274.28

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Solution

The fourth proportional to 39,269.88, 54,189.36 and 22,274.28 is: 30,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,269.88 : 54,189.36 = 22,274.28 : x
  2. Step 2: Convert to fraction form
    39,269.88/54,189.36 = 22,274.28/x
  3. Step 3: Cross multiply
    39,269.88x = 54,189.36 × 22,274.28
  4. Step 4: Simplify right side
    39,269.88x = 1,207,028,977.66
  5. Step 5: Solve for x
    x = 1,207,028,977.66/39,269.88
  6. Step 6: Final answer
    x = 30,736.76

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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.