Home / 54,225.20-81,179.40-38,673.20

Finding the Fourth Proportional to 54,225.20, 81,179.40 and 38,673.20

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Solution

The fourth proportional to 54,225.20, 81,179.40 and 38,673.20 is: 57,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,225.20 : 81,179.40 = 38,673.20 : x
  2. Step 2: Convert to fraction form
    54,225.20/81,179.40 = 38,673.20/x
  3. Step 3: Cross multiply
    54,225.20x = 81,179.40 × 38,673.20
  4. Step 4: Simplify right side
    54,225.20x = 3,139,467,172.08
  5. Step 5: Solve for x
    x = 3,139,467,172.08/54,225.20
  6. Step 6: Final answer
    x = 57,896.83

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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.