Home / 40,664.19-60,990-11,084.42

Finding the Fourth Proportional to 40,664.19, 60,990 and 11,084.42

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Solution

The fourth proportional to 40,664.19, 60,990 and 11,084.42 is: 16,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,664.19 : 60,990 = 11,084.42 : x
  2. Step 2: Convert to fraction form
    40,664.19/60,990 = 11,084.42/x
  3. Step 3: Cross multiply
    40,664.19x = 60,990 × 11,084.42
  4. Step 4: Simplify right side
    40,664.19x = 676,038,470.85
  5. Step 5: Solve for x
    x = 676,038,470.85/40,664.19
  6. Step 6: Final answer
    x = 16,624.91

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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.