Home / 51,402.92-77,110.53-18,116.09

Finding the Fourth Proportional to 51,402.92, 77,110.53 and 18,116.09

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Solution

The fourth proportional to 51,402.92, 77,110.53 and 18,116.09 is: 27,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,402.92 : 77,110.53 = 18,116.09 : x
  2. Step 2: Convert to fraction form
    51,402.92/77,110.53 = 18,116.09/x
  3. Step 3: Cross multiply
    51,402.92x = 77,110.53 × 18,116.09
  4. Step 4: Simplify right side
    51,402.92x = 1,396,941,137.10
  5. Step 5: Solve for x
    x = 1,396,941,137.10/51,402.92
  6. Step 6: Final answer
    x = 27,176.30

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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.