Home / 39,166.62-54,048.45-21,261.24

Finding the Fourth Proportional to 39,166.62, 54,048.45 and 21,261.24

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Solution

The fourth proportional to 39,166.62, 54,048.45 and 21,261.24 is: 29,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.62 : 54,048.45 = 21,261.24 : x
  2. Step 2: Convert to fraction form
    39,166.62/54,048.45 = 21,261.24/x
  3. Step 3: Cross multiply
    39,166.62x = 54,048.45 × 21,261.24
  4. Step 4: Simplify right side
    39,166.62x = 1,149,137,067.08
  5. Step 5: Solve for x
    x = 1,149,137,067.08/39,166.62
  6. Step 6: Final answer
    x = 29,339.70

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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.