Home / 39,384.34-59,084.20-12,736.95

Finding the Fourth Proportional to 39,384.34, 59,084.20 and 12,736.95

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Solution

The fourth proportional to 39,384.34, 59,084.20 and 12,736.95 is: 19,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.34 : 59,084.20 = 12,736.95 : x
  2. Step 2: Convert to fraction form
    39,384.34/59,084.20 = 12,736.95/x
  3. Step 3: Cross multiply
    39,384.34x = 59,084.20 × 12,736.95
  4. Step 4: Simplify right side
    39,384.34x = 752,552,517.11
  5. Step 5: Solve for x
    x = 752,552,517.11/39,384.34
  6. Step 6: Final answer
    x = 19,107.91

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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.