Home / 34,515.50-51,773.26-11,145.38

Finding the Fourth Proportional to 34,515.50, 51,773.26 and 11,145.38

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Solution

The fourth proportional to 34,515.50, 51,773.26 and 11,145.38 is: 16,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,515.50 : 51,773.26 = 11,145.38 : x
  2. Step 2: Convert to fraction form
    34,515.50/51,773.26 = 11,145.38/x
  3. Step 3: Cross multiply
    34,515.50x = 51,773.26 × 11,145.38
  4. Step 4: Simplify right side
    34,515.50x = 577,032,656.54
  5. Step 5: Solve for x
    x = 577,032,656.54/34,515.50
  6. Step 6: Final answer
    x = 16,718.07

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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.