Home / 54,225.25-81,390.38-26,165.03

Finding the Fourth Proportional to 54,225.25, 81,390.38 and 26,165.03

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Solution

The fourth proportional to 54,225.25, 81,390.38 and 26,165.03 is: 39,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,225.25 : 81,390.38 = 26,165.03 : x
  2. Step 2: Convert to fraction form
    54,225.25/81,390.38 = 26,165.03/x
  3. Step 3: Cross multiply
    54,225.25x = 81,390.38 × 26,165.03
  4. Step 4: Simplify right side
    54,225.25x = 2,129,581,196.63
  5. Step 5: Solve for x
    x = 2,129,581,196.63/54,225.25
  6. Step 6: Final answer
    x = 39,272.87

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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.