Home / 62,629.20-86,428.32-34,334.88

Finding the Fourth Proportional to 62,629.20, 86,428.32 and 34,334.88

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Solution

The fourth proportional to 62,629.20, 86,428.32 and 34,334.88 is: 47,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,629.20 : 86,428.32 = 34,334.88 : x
  2. Step 2: Convert to fraction form
    62,629.20/86,428.32 = 34,334.88/x
  3. Step 3: Cross multiply
    62,629.20x = 86,428.32 × 34,334.88
  4. Step 4: Simplify right side
    62,629.20x = 2,967,505,995.80
  5. Step 5: Solve for x
    x = 2,967,505,995.80/62,629.20
  6. Step 6: Final answer
    x = 47,382.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.