Home / 51,759.56-77,646.72-18,472.61

Finding the Fourth Proportional to 51,759.56, 77,646.72 and 18,472.61

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Solution

The fourth proportional to 51,759.56, 77,646.72 and 18,472.61 is: 27,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,759.56 : 77,646.72 = 18,472.61 : x
  2. Step 2: Convert to fraction form
    51,759.56/77,646.72 = 18,472.61/x
  3. Step 3: Cross multiply
    51,759.56x = 77,646.72 × 18,472.61
  4. Step 4: Simplify right side
    51,759.56x = 1,434,337,188.11
  5. Step 5: Solve for x
    x = 1,434,337,188.11/51,759.56
  6. Step 6: Final answer
    x = 27,711.54

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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.