Home / 39,611.43-54,661.64-21,706.04

Finding the Fourth Proportional to 39,611.43, 54,661.64 and 21,706.04

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Solution

The fourth proportional to 39,611.43, 54,661.64 and 21,706.04 is: 29,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.43 : 54,661.64 = 21,706.04 : x
  2. Step 2: Convert to fraction form
    39,611.43/54,661.64 = 21,706.04/x
  3. Step 3: Cross multiply
    39,611.43x = 54,661.64 × 21,706.04
  4. Step 4: Simplify right side
    39,611.43x = 1,186,487,772.43
  5. Step 5: Solve for x
    x = 1,186,487,772.43/39,611.43
  6. Step 6: Final answer
    x = 29,953.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.