Home / 29,611.32-40,881.42-18,448.44

Finding the Fourth Proportional to 29,611.32, 40,881.42 and 18,448.44

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Solution

The fourth proportional to 29,611.32, 40,881.42 and 18,448.44 is: 25,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,611.32 : 40,881.42 = 18,448.44 : x
  2. Step 2: Convert to fraction form
    29,611.32/40,881.42 = 18,448.44/x
  3. Step 3: Cross multiply
    29,611.32x = 40,881.42 × 18,448.44
  4. Step 4: Simplify right side
    29,611.32x = 754,198,423.98
  5. Step 5: Solve for x
    x = 754,198,423.98/29,611.32
  6. Step 6: Final answer
    x = 25,469.94

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1.5x scale

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.