Home / 54,878.20-82,317.30-15,436.60

Finding the Fourth Proportional to 54,878.20, 82,317.30 and 15,436.60

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Solution

The fourth proportional to 54,878.20, 82,317.30 and 15,436.60 is: 23,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,878.20 : 82,317.30 = 15,436.60 : x
  2. Step 2: Convert to fraction form
    54,878.20/82,317.30 = 15,436.60/x
  3. Step 3: Cross multiply
    54,878.20x = 82,317.30 × 15,436.60
  4. Step 4: Simplify right side
    54,878.20x = 1,270,699,233.18
  5. Step 5: Solve for x
    x = 1,270,699,233.18/54,878.20
  6. Step 6: Final answer
    x = 23,154.90

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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.