Home / 54,581.28-81,916.05-28,293.54

Finding the Fourth Proportional to 54,581.28, 81,916.05 and 28,293.54

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Solution

The fourth proportional to 54,581.28, 81,916.05 and 28,293.54 is: 42,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581.28 : 81,916.05 = 28,293.54 : x
  2. Step 2: Convert to fraction form
    54,581.28/81,916.05 = 28,293.54/x
  3. Step 3: Cross multiply
    54,581.28x = 81,916.05 × 28,293.54
  4. Step 4: Simplify right side
    54,581.28x = 2,317,695,037.32
  5. Step 5: Solve for x
    x = 2,317,695,037.32/54,581.28
  6. Step 6: Final answer
    x = 42,463.19

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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.