Home / 51,253.78-76,884.63-19,679.02

Finding the Fourth Proportional to 51,253.78, 76,884.63 and 19,679.02

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Solution

The fourth proportional to 51,253.78, 76,884.63 and 19,679.02 is: 29,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253.78 : 76,884.63 = 19,679.02 : x
  2. Step 2: Convert to fraction form
    51,253.78/76,884.63 = 19,679.02/x
  3. Step 3: Cross multiply
    51,253.78x = 76,884.63 × 19,679.02
  4. Step 4: Simplify right side
    51,253.78x = 1,513,014,171.46
  5. Step 5: Solve for x
    x = 1,513,014,171.46/51,253.78
  6. Step 6: Final answer
    x = 29,520.05

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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.