Home / 54,354.83-81,531.43-18,842

Finding the Fourth Proportional to 54,354.83, 81,531.43 and 18,842

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Solution

The fourth proportional to 54,354.83, 81,531.43 and 18,842 is: 28,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.83 : 81,531.43 = 18,842 : x
  2. Step 2: Convert to fraction form
    54,354.83/81,531.43 = 18,842/x
  3. Step 3: Cross multiply
    54,354.83x = 81,531.43 × 18,842
  4. Step 4: Simplify right side
    54,354.83x = 1,536,215,204.06
  5. Step 5: Solve for x
    x = 1,536,215,204.06/54,354.83
  6. Step 6: Final answer
    x = 28,262.72

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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.