Home / 34,488.80-51,733.76-11,115.36

Finding the Fourth Proportional to 34,488.80, 51,733.76 and 11,115.36

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Solution

The fourth proportional to 34,488.80, 51,733.76 and 11,115.36 is: 16,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,488.80 : 51,733.76 = 11,115.36 : x
  2. Step 2: Convert to fraction form
    34,488.80/51,733.76 = 11,115.36/x
  3. Step 3: Cross multiply
    34,488.80x = 51,733.76 × 11,115.36
  4. Step 4: Simplify right side
    34,488.80x = 575,039,366.55
  5. Step 5: Solve for x
    x = 575,039,366.55/34,488.80
  6. Step 6: Final answer
    x = 16,673.22

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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.