Home / 45,960.78-68,930.91-17,871.60

Finding the Fourth Proportional to 45,960.78, 68,930.91 and 17,871.60

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Solution

The fourth proportional to 45,960.78, 68,930.91 and 17,871.60 is: 26,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,960.78 : 68,930.91 = 17,871.60 : x
  2. Step 2: Convert to fraction form
    45,960.78/68,930.91 = 17,871.60/x
  3. Step 3: Cross multiply
    45,960.78x = 68,930.91 × 17,871.60
  4. Step 4: Simplify right side
    45,960.78x = 1,231,905,651.16
  5. Step 5: Solve for x
    x = 1,231,905,651.16/45,960.78
  6. Step 6: Final answer
    x = 26,803.41

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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.