Home / 39,005.80-58,514.77-12,704.42

Finding the Fourth Proportional to 39,005.80, 58,514.77 and 12,704.42

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Solution

The fourth proportional to 39,005.80, 58,514.77 and 12,704.42 is: 19,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,005.80 : 58,514.77 = 12,704.42 : x
  2. Step 2: Convert to fraction form
    39,005.80/58,514.77 = 12,704.42/x
  3. Step 3: Cross multiply
    39,005.80x = 58,514.77 × 12,704.42
  4. Step 4: Simplify right side
    39,005.80x = 743,396,214.28
  5. Step 5: Solve for x
    x = 743,396,214.28/39,005.80
  6. Step 6: Final answer
    x = 19,058.61

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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.