Home / 33,187.85-49,661.95-28,563.64

Finding the Fourth Proportional to 33,187.85, 49,661.95 and 28,563.64

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Solution

The fourth proportional to 33,187.85, 49,661.95 and 28,563.64 is: 42,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.85 : 49,661.95 = 28,563.64 : x
  2. Step 2: Convert to fraction form
    33,187.85/49,661.95 = 28,563.64/x
  3. Step 3: Cross multiply
    33,187.85x = 49,661.95 × 28,563.64
  4. Step 4: Simplify right side
    33,187.85x = 1,418,526,061.50
  5. Step 5: Solve for x
    x = 1,418,526,061.50/33,187.85
  6. Step 6: Final answer
    x = 42,742.33

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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.