Home / 54,237.12-81,336.93-25,770.78

Finding the Fourth Proportional to 54,237.12, 81,336.93 and 25,770.78

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Solution

The fourth proportional to 54,237.12, 81,336.93 and 25,770.78 is: 38,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,237.12 : 81,336.93 = 25,770.78 : x
  2. Step 2: Convert to fraction form
    54,237.12/81,336.93 = 25,770.78/x
  3. Step 3: Cross multiply
    54,237.12x = 81,336.93 × 25,770.78
  4. Step 4: Simplify right side
    54,237.12x = 2,096,116,128.91
  5. Step 5: Solve for x
    x = 2,096,116,128.91/54,237.12
  6. Step 6: Final answer
    x = 38,647.26

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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.