Home / 34,125.15-51,163.47-13,047.42

Finding the Fourth Proportional to 34,125.15, 51,163.47 and 13,047.42

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Solution

The fourth proportional to 34,125.15, 51,163.47 and 13,047.42 is: 19,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,125.15 : 51,163.47 = 13,047.42 : x
  2. Step 2: Convert to fraction form
    34,125.15/51,163.47 = 13,047.42/x
  3. Step 3: Cross multiply
    34,125.15x = 51,163.47 × 13,047.42
  4. Step 4: Simplify right side
    34,125.15x = 667,551,281.75
  5. Step 5: Solve for x
    x = 667,551,281.75/34,125.15
  6. Step 6: Final answer
    x = 19,561.86

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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.