Home / 54,538.71-81,798.94-15,099.81

Finding the Fourth Proportional to 54,538.71, 81,798.94 and 15,099.81

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Solution

The fourth proportional to 54,538.71, 81,798.94 and 15,099.81 is: 22,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,538.71 : 81,798.94 = 15,099.81 : x
  2. Step 2: Convert to fraction form
    54,538.71/81,798.94 = 15,099.81/x
  3. Step 3: Cross multiply
    54,538.71x = 81,798.94 × 15,099.81
  4. Step 4: Simplify right side
    54,538.71x = 1,235,148,452.20
  5. Step 5: Solve for x
    x = 1,235,148,452.20/54,538.71
  6. Step 6: Final answer
    x = 22,647.19

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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.