Home / 33,066.62-49,548.08-28,115.90

Finding the Fourth Proportional to 33,066.62, 49,548.08 and 28,115.90

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Solution

The fourth proportional to 33,066.62, 49,548.08 and 28,115.90 is: 42,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,066.62 : 49,548.08 = 28,115.90 : x
  2. Step 2: Convert to fraction form
    33,066.62/49,548.08 = 28,115.90/x
  3. Step 3: Cross multiply
    33,066.62x = 49,548.08 × 28,115.90
  4. Step 4: Simplify right side
    33,066.62x = 1,393,088,685.02
  5. Step 5: Solve for x
    x = 1,393,088,685.02/33,066.62
  6. Step 6: Final answer
    x = 42,129.76

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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.