Home / 39,855.20-59,790.66-11,775.74

Finding the Fourth Proportional to 39,855.20, 59,790.66 and 11,775.74

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Solution

The fourth proportional to 39,855.20, 59,790.66 and 11,775.74 is: 17,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,855.20 : 59,790.66 = 11,775.74 : x
  2. Step 2: Convert to fraction form
    39,855.20/59,790.66 = 11,775.74/x
  3. Step 3: Cross multiply
    39,855.20x = 59,790.66 × 11,775.74
  4. Step 4: Simplify right side
    39,855.20x = 704,079,266.59
  5. Step 5: Solve for x
    x = 704,079,266.59/39,855.20
  6. Step 6: Final answer
    x = 17,665.93

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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.