Home / 40,470.97-60,706.45-21,759.81

Finding the Fourth Proportional to 40,470.97, 60,706.45 and 21,759.81

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Solution

The fourth proportional to 40,470.97, 60,706.45 and 21,759.81 is: 32,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,470.97 : 60,706.45 = 21,759.81 : x
  2. Step 2: Convert to fraction form
    40,470.97/60,706.45 = 21,759.81/x
  3. Step 3: Cross multiply
    40,470.97x = 60,706.45 × 21,759.81
  4. Step 4: Simplify right side
    40,470.97x = 1,320,960,817.77
  5. Step 5: Solve for x
    x = 1,320,960,817.77/40,470.97
  6. Step 6: Final answer
    x = 32,639.71

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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.