Home / 35,226.78-48,612.87-19,311.30

Finding the Fourth Proportional to 35,226.78, 48,612.87 and 19,311.30

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Solution

The fourth proportional to 35,226.78, 48,612.87 and 19,311.30 is: 26,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,226.78 : 48,612.87 = 19,311.30 : x
  2. Step 2: Convert to fraction form
    35,226.78/48,612.87 = 19,311.30/x
  3. Step 3: Cross multiply
    35,226.78x = 48,612.87 × 19,311.30
  4. Step 4: Simplify right side
    35,226.78x = 938,777,716.43
  5. Step 5: Solve for x
    x = 938,777,716.43/35,226.78
  6. Step 6: Final answer
    x = 26,649.55

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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.