Home / 54,063.56-81,099.60-19,011.08

Finding the Fourth Proportional to 54,063.56, 81,099.60 and 19,011.08

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Solution

The fourth proportional to 54,063.56, 81,099.60 and 19,011.08 is: 28,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,063.56 : 81,099.60 = 19,011.08 : x
  2. Step 2: Convert to fraction form
    54,063.56/81,099.60 = 19,011.08/x
  3. Step 3: Cross multiply
    54,063.56x = 81,099.60 × 19,011.08
  4. Step 4: Simplify right side
    54,063.56x = 1,541,790,983.57
  5. Step 5: Solve for x
    x = 1,541,790,983.57/54,063.56
  6. Step 6: Final answer
    x = 28,518.12

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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.