Home / 20,733.52-31,100.31-6,307.95

Finding the Fourth Proportional to 20,733.52, 31,100.31 and 6,307.95

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Solution

The fourth proportional to 20,733.52, 31,100.31 and 6,307.95 is: 9,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.52 : 31,100.31 = 6,307.95 : x
  2. Step 2: Convert to fraction form
    20,733.52/31,100.31 = 6,307.95/x
  3. Step 3: Cross multiply
    20,733.52x = 31,100.31 × 6,307.95
  4. Step 4: Simplify right side
    20,733.52x = 196,179,293.44
  5. Step 5: Solve for x
    x = 196,179,293.44/20,733.52
  6. Step 6: Final answer
    x = 9,461.94

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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.