Home / 51,608.09-77,302.78-38,989.10

Finding the Fourth Proportional to 51,608.09, 77,302.78 and 38,989.10

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Solution

The fourth proportional to 51,608.09, 77,302.78 and 38,989.10 is: 58,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,608.09 : 77,302.78 = 38,989.10 : x
  2. Step 2: Convert to fraction form
    51,608.09/77,302.78 = 38,989.10/x
  3. Step 3: Cross multiply
    51,608.09x = 77,302.78 × 38,989.10
  4. Step 4: Simplify right side
    51,608.09x = 3,013,965,819.70
  5. Step 5: Solve for x
    x = 3,013,965,819.70/51,608.09
  6. Step 6: Final answer
    x = 58,401.03

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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.