Home / 54,147.16-81,244.98-34,420.60

Finding the Fourth Proportional to 54,147.16, 81,244.98 and 34,420.60

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Solution

The fourth proportional to 54,147.16, 81,244.98 and 34,420.60 is: 51,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,147.16 : 81,244.98 = 34,420.60 : x
  2. Step 2: Convert to fraction form
    54,147.16/81,244.98 = 34,420.60/x
  3. Step 3: Cross multiply
    54,147.16x = 81,244.98 × 34,420.60
  4. Step 4: Simplify right side
    54,147.16x = 2,796,500,958.59
  5. Step 5: Solve for x
    x = 2,796,500,958.59/54,147.16
  6. Step 6: Final answer
    x = 51,646.31

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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.