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Finding the Fourth Proportional to 54,978.68, 82,466.48 and 17,541

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Solution

The fourth proportional to 54,978.68, 82,466.48 and 17,541 is: 26,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978.68 : 82,466.48 = 17,541 : x
  2. Step 2: Convert to fraction form
    54,978.68/82,466.48 = 17,541/x
  3. Step 3: Cross multiply
    54,978.68x = 82,466.48 × 17,541
  4. Step 4: Simplify right side
    54,978.68x = 1,446,544,437.98
  5. Step 5: Solve for x
    x = 1,446,544,437.98/54,978.68
  6. Step 6: Final answer
    x = 26,311.01

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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.