Home / 54,046.81-81,090.24-18,511.66

Finding the Fourth Proportional to 54,046.81, 81,090.24 and 18,511.66

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Solution

The fourth proportional to 54,046.81, 81,090.24 and 18,511.66 is: 27,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,046.81 : 81,090.24 = 18,511.66 : x
  2. Step 2: Convert to fraction form
    54,046.81/81,090.24 = 18,511.66/x
  3. Step 3: Cross multiply
    54,046.81x = 81,090.24 × 18,511.66
  4. Step 4: Simplify right side
    54,046.81x = 1,501,114,952.20
  5. Step 5: Solve for x
    x = 1,501,114,952.20/54,046.81
  6. Step 6: Final answer
    x = 27,774.35

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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.