Home / 39,863.08-59,683.88-20,081.66

Finding the Fourth Proportional to 39,863.08, 59,683.88 and 20,081.66

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Solution

The fourth proportional to 39,863.08, 59,683.88 and 20,081.66 is: 30,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,863.08 : 59,683.88 = 20,081.66 : x
  2. Step 2: Convert to fraction form
    39,863.08/59,683.88 = 20,081.66/x
  3. Step 3: Cross multiply
    39,863.08x = 59,683.88 × 20,081.66
  4. Step 4: Simplify right side
    39,863.08x = 1,198,551,385.64
  5. Step 5: Solve for x
    x = 1,198,551,385.64/39,863.08
  6. Step 6: Final answer
    x = 30,066.70

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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.