Home / 48,558.29-67,015.55-28,421.69

Finding the Fourth Proportional to 48,558.29, 67,015.55 and 28,421.69

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Solution

The fourth proportional to 48,558.29, 67,015.55 and 28,421.69 is: 39,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,558.29 : 67,015.55 = 28,421.69 : x
  2. Step 2: Convert to fraction form
    48,558.29/67,015.55 = 28,421.69/x
  3. Step 3: Cross multiply
    48,558.29x = 67,015.55 × 28,421.69
  4. Step 4: Simplify right side
    48,558.29x = 1,904,694,923.26
  5. Step 5: Solve for x
    x = 1,904,694,923.26/48,558.29
  6. Step 6: Final answer
    x = 39,224.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.