Home / 54,090.50-81,148.71-17,154.50

Finding the Fourth Proportional to 54,090.50, 81,148.71 and 17,154.50

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Solution

The fourth proportional to 54,090.50, 81,148.71 and 17,154.50 is: 25,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.50 : 81,148.71 = 17,154.50 : x
  2. Step 2: Convert to fraction form
    54,090.50/81,148.71 = 17,154.50/x
  3. Step 3: Cross multiply
    54,090.50x = 81,148.71 × 17,154.50
  4. Step 4: Simplify right side
    54,090.50x = 1,392,065,545.70
  5. Step 5: Solve for x
    x = 1,392,065,545.70/54,090.50
  6. Step 6: Final answer
    x = 25,735.86

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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.