Home / 41,127.51-61,682.05-18,919.56

Finding the Fourth Proportional to 41,127.51, 61,682.05 and 18,919.56

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Solution

The fourth proportional to 41,127.51, 61,682.05 and 18,919.56 is: 28,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,127.51 : 61,682.05 = 18,919.56 : x
  2. Step 2: Convert to fraction form
    41,127.51/61,682.05 = 18,919.56/x
  3. Step 3: Cross multiply
    41,127.51x = 61,682.05 × 18,919.56
  4. Step 4: Simplify right side
    41,127.51x = 1,166,997,245.90
  5. Step 5: Solve for x
    x = 1,166,997,245.90/41,127.51
  6. Step 6: Final answer
    x = 28,375.10

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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.