Home / 51,451.62-77,133.08-19,883.84

Finding the Fourth Proportional to 51,451.62, 77,133.08 and 19,883.84

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Solution

The fourth proportional to 51,451.62, 77,133.08 and 19,883.84 is: 29,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,451.62 : 77,133.08 = 19,883.84 : x
  2. Step 2: Convert to fraction form
    51,451.62/77,133.08 = 19,883.84/x
  3. Step 3: Cross multiply
    51,451.62x = 77,133.08 × 19,883.84
  4. Step 4: Simplify right side
    51,451.62x = 1,533,701,469.80
  5. Step 5: Solve for x
    x = 1,533,701,469.80/51,451.62
  6. Step 6: Final answer
    x = 29,808.61

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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.