Home / 39,743.87-59,617.62-28,109.03

Finding the Fourth Proportional to 39,743.87, 59,617.62 and 28,109.03

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Solution

The fourth proportional to 39,743.87, 59,617.62 and 28,109.03 is: 42,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,743.87 : 59,617.62 = 28,109.03 : x
  2. Step 2: Convert to fraction form
    39,743.87/59,617.62 = 28,109.03/x
  3. Step 3: Cross multiply
    39,743.87x = 59,617.62 × 28,109.03
  4. Step 4: Simplify right side
    39,743.87x = 1,675,793,171.02
  5. Step 5: Solve for x
    x = 1,675,793,171.02/39,743.87
  6. Step 6: Final answer
    x = 42,164.83

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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.