Home / 39,083.40-58,542.12-18,040.68

Finding the Fourth Proportional to 39,083.40, 58,542.12 and 18,040.68

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Solution

The fourth proportional to 39,083.40, 58,542.12 and 18,040.68 is: 27,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,083.40 : 58,542.12 = 18,040.68 : x
  2. Step 2: Convert to fraction form
    39,083.40/58,542.12 = 18,040.68/x
  3. Step 3: Cross multiply
    39,083.40x = 58,542.12 × 18,040.68
  4. Step 4: Simplify right side
    39,083.40x = 1,056,139,653.44
  5. Step 5: Solve for x
    x = 1,056,139,653.44/39,083.40
  6. Step 6: Final answer
    x = 27,022.72

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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.