Home / 34,519.80-51,772.40-11,133.48

Finding the Fourth Proportional to 34,519.80, 51,772.40 and 11,133.48

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Solution

The fourth proportional to 34,519.80, 51,772.40 and 11,133.48 is: 16,697.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,519.80 : 51,772.40 = 11,133.48 : x
  2. Step 2: Convert to fraction form
    34,519.80/51,772.40 = 11,133.48/x
  3. Step 3: Cross multiply
    34,519.80x = 51,772.40 × 11,133.48
  4. Step 4: Simplify right side
    34,519.80x = 576,406,979.95
  5. Step 5: Solve for x
    x = 576,406,979.95/34,519.80
  6. Step 6: Final answer
    x = 16,697.87

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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.