Home / 39,611.22-54,663.36-21,706.38

Finding the Fourth Proportional to 39,611.22, 54,663.36 and 21,706.38

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Solution

The fourth proportional to 39,611.22, 54,663.36 and 21,706.38 is: 29,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.22 : 54,663.36 = 21,706.38 : x
  2. Step 2: Convert to fraction form
    39,611.22/54,663.36 = 21,706.38/x
  3. Step 3: Cross multiply
    39,611.22x = 54,663.36 × 21,706.38
  4. Step 4: Simplify right side
    39,611.22x = 1,186,543,664.24
  5. Step 5: Solve for x
    x = 1,186,543,664.24/39,611.22
  6. Step 6: Final answer
    x = 29,954.74

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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.