Home / 66,048.46-99,067.35-18,661.64

Finding the Fourth Proportional to 66,048.46, 99,067.35 and 18,661.64

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Solution

The fourth proportional to 66,048.46, 99,067.35 and 18,661.64 is: 27,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048.46 : 99,067.35 = 18,661.64 : x
  2. Step 2: Convert to fraction form
    66,048.46/99,067.35 = 18,661.64/x
  3. Step 3: Cross multiply
    66,048.46x = 99,067.35 × 18,661.64
  4. Step 4: Simplify right side
    66,048.46x = 1,848,759,353.35
  5. Step 5: Solve for x
    x = 1,848,759,353.35/66,048.46
  6. Step 6: Final answer
    x = 27,990.95

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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.