Home / 51,930.66-77,904.15-18,205.95

Finding the Fourth Proportional to 51,930.66, 77,904.15 and 18,205.95

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Solution

The fourth proportional to 51,930.66, 77,904.15 and 18,205.95 is: 27,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,930.66 : 77,904.15 = 18,205.95 : x
  2. Step 2: Convert to fraction form
    51,930.66/77,904.15 = 18,205.95/x
  3. Step 3: Cross multiply
    51,930.66x = 77,904.15 × 18,205.95
  4. Step 4: Simplify right side
    51,930.66x = 1,418,319,059.69
  5. Step 5: Solve for x
    x = 1,418,319,059.69/51,930.66
  6. Step 6: Final answer
    x = 27,311.79

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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.