Home / 51,252.78-76,883.13-19,678.02

Finding the Fourth Proportional to 51,252.78, 76,883.13 and 19,678.02

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Solution

The fourth proportional to 51,252.78, 76,883.13 and 19,678.02 is: 29,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,252.78 : 76,883.13 = 19,678.02 : x
  2. Step 2: Convert to fraction form
    51,252.78/76,883.13 = 19,678.02/x
  3. Step 3: Cross multiply
    51,252.78x = 76,883.13 × 19,678.02
  4. Step 4: Simplify right side
    51,252.78x = 1,512,907,769.80
  5. Step 5: Solve for x
    x = 1,512,907,769.80/51,252.78
  6. Step 6: Final answer
    x = 29,518.55

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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.