Home / 39,054.40-58,514.40-18,235.20

Finding the Fourth Proportional to 39,054.40, 58,514.40 and 18,235.20

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Solution

The fourth proportional to 39,054.40, 58,514.40 and 18,235.20 is: 27,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,054.40 : 58,514.40 = 18,235.20 : x
  2. Step 2: Convert to fraction form
    39,054.40/58,514.40 = 18,235.20/x
  3. Step 3: Cross multiply
    39,054.40x = 58,514.40 × 18,235.20
  4. Step 4: Simplify right side
    39,054.40x = 1,067,021,786.88
  5. Step 5: Solve for x
    x = 1,067,021,786.88/39,054.40
  6. Step 6: Final answer
    x = 27,321.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.