Home / 54,815.68-82,217.40-15,374.32

Finding the Fourth Proportional to 54,815.68, 82,217.40 and 15,374.32

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Solution

The fourth proportional to 54,815.68, 82,217.40 and 15,374.32 is: 23,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815.68 : 82,217.40 = 15,374.32 : x
  2. Step 2: Convert to fraction form
    54,815.68/82,217.40 = 15,374.32/x
  3. Step 3: Cross multiply
    54,815.68x = 82,217.40 × 15,374.32
  4. Step 4: Simplify right side
    54,815.68x = 1,264,036,617.17
  5. Step 5: Solve for x
    x = 1,264,036,617.17/54,815.68
  6. Step 6: Final answer
    x = 23,059.76

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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.