Home / 61,930.38-92,920.19-19,816.95

Finding the Fourth Proportional to 61,930.38, 92,920.19 and 19,816.95

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Solution

The fourth proportional to 61,930.38, 92,920.19 and 19,816.95 is: 29,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930.38 : 92,920.19 = 19,816.95 : x
  2. Step 2: Convert to fraction form
    61,930.38/92,920.19 = 19,816.95/x
  3. Step 3: Cross multiply
    61,930.38x = 92,920.19 × 19,816.95
  4. Step 4: Simplify right side
    61,930.38x = 1,841,394,660.14
  5. Step 5: Solve for x
    x = 1,841,394,660.14/61,930.38
  6. Step 6: Final answer
    x = 29,733.30

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1.5x scale

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.