Home / 30,175.53-41,644.29-18,239.37

Finding the Fourth Proportional to 30,175.53, 41,644.29 and 18,239.37

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Solution

The fourth proportional to 30,175.53, 41,644.29 and 18,239.37 is: 25,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,175.53 : 41,644.29 = 18,239.37 : x
  2. Step 2: Convert to fraction form
    30,175.53/41,644.29 = 18,239.37/x
  3. Step 3: Cross multiply
    30,175.53x = 41,644.29 × 18,239.37
  4. Step 4: Simplify right side
    30,175.53x = 759,565,613.70
  5. Step 5: Solve for x
    x = 759,565,613.70/30,175.53
  6. Step 6: Final answer
    x = 25,171.57

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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.