Home / 76,977.78-115,469.94-24,386.10

Finding the Fourth Proportional to 76,977.78, 115,469.94 and 24,386.10

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Solution

The fourth proportional to 76,977.78, 115,469.94 and 24,386.10 is: 36,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,977.78 : 115,469.94 = 24,386.10 : x
  2. Step 2: Convert to fraction form
    76,977.78/115,469.94 = 24,386.10/x
  3. Step 3: Cross multiply
    76,977.78x = 115,469.94 × 24,386.10
  4. Step 4: Simplify right side
    76,977.78x = 2,815,861,503.83
  5. Step 5: Solve for x
    x = 2,815,861,503.83/76,977.78
  6. Step 6: Final answer
    x = 36,580.19

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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.