Home / 34,878.95-52,286.78-12,676.65

Finding the Fourth Proportional to 34,878.95, 52,286.78 and 12,676.65

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Solution

The fourth proportional to 34,878.95, 52,286.78 and 12,676.65 is: 19,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.95 : 52,286.78 = 12,676.65 : x
  2. Step 2: Convert to fraction form
    34,878.95/52,286.78 = 12,676.65/x
  3. Step 3: Cross multiply
    34,878.95x = 52,286.78 × 12,676.65
  4. Step 4: Simplify right side
    34,878.95x = 662,821,045.30
  5. Step 5: Solve for x
    x = 662,821,045.30/34,878.95
  6. Step 6: Final answer
    x = 19,003.47

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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.