Home / 39,616.20-59,424.30-11,910.60

Finding the Fourth Proportional to 39,616.20, 59,424.30 and 11,910.60

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Solution

The fourth proportional to 39,616.20, 59,424.30 and 11,910.60 is: 17,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,616.20 : 59,424.30 = 11,910.60 : x
  2. Step 2: Convert to fraction form
    39,616.20/59,424.30 = 11,910.60/x
  3. Step 3: Cross multiply
    39,616.20x = 59,424.30 × 11,910.60
  4. Step 4: Simplify right side
    39,616.20x = 707,779,067.58
  5. Step 5: Solve for x
    x = 707,779,067.58/39,616.20
  6. Step 6: Final answer
    x = 17,865.90

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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.