Home / 34,398-51,599.43-13,621.50

Finding the Fourth Proportional to 34,398, 51,599.43 and 13,621.50

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Solution

The fourth proportional to 34,398, 51,599.43 and 13,621.50 is: 20,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,398 : 51,599.43 = 13,621.50 : x
  2. Step 2: Convert to fraction form
    34,398/51,599.43 = 13,621.50/x
  3. Step 3: Cross multiply
    34,398x = 51,599.43 × 13,621.50
  4. Step 4: Simplify right side
    34,398x = 702,861,635.75
  5. Step 5: Solve for x
    x = 702,861,635.75/34,398
  6. Step 6: Final answer
    x = 20,433.21

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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.