Home / 40,891.73-61,337.52-12,813.94

Finding the Fourth Proportional to 40,891.73, 61,337.52 and 12,813.94

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Solution

The fourth proportional to 40,891.73, 61,337.52 and 12,813.94 is: 19,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.73 : 61,337.52 = 12,813.94 : x
  2. Step 2: Convert to fraction form
    40,891.73/61,337.52 = 12,813.94/x
  3. Step 3: Cross multiply
    40,891.73x = 61,337.52 × 12,813.94
  4. Step 4: Simplify right side
    40,891.73x = 785,974,930.27
  5. Step 5: Solve for x
    x = 785,974,930.27/40,891.73
  6. Step 6: Final answer
    x = 19,220.88

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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.