Home / 34,578.90-51,836.67-11,193.30

Finding the Fourth Proportional to 34,578.90, 51,836.67 and 11,193.30

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Solution

The fourth proportional to 34,578.90, 51,836.67 and 11,193.30 is: 16,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,578.90 : 51,836.67 = 11,193.30 : x
  2. Step 2: Convert to fraction form
    34,578.90/51,836.67 = 11,193.30/x
  3. Step 3: Cross multiply
    34,578.90x = 51,836.67 × 11,193.30
  4. Step 4: Simplify right side
    34,578.90x = 580,223,398.31
  5. Step 5: Solve for x
    x = 580,223,398.31/34,578.90
  6. Step 6: Final answer
    x = 16,779.70

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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.