Home / 41,090.88-61,640.16-18,910.44

Finding the Fourth Proportional to 41,090.88, 61,640.16 and 18,910.44

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Solution

The fourth proportional to 41,090.88, 61,640.16 and 18,910.44 is: 28,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,090.88 : 61,640.16 = 18,910.44 : x
  2. Step 2: Convert to fraction form
    41,090.88/61,640.16 = 18,910.44/x
  3. Step 3: Cross multiply
    41,090.88x = 61,640.16 × 18,910.44
  4. Step 4: Simplify right side
    41,090.88x = 1,165,642,547.27
  5. Step 5: Solve for x
    x = 1,165,642,547.27/41,090.88
  6. Step 6: Final answer
    x = 28,367.43

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1.5x scale

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.