Home / 35,249.20-48,631.28-20,130.96

Finding the Fourth Proportional to 35,249.20, 48,631.28 and 20,130.96

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Solution

The fourth proportional to 35,249.20, 48,631.28 and 20,130.96 is: 27,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,249.20 : 48,631.28 = 20,130.96 : x
  2. Step 2: Convert to fraction form
    35,249.20/48,631.28 = 20,130.96/x
  3. Step 3: Cross multiply
    35,249.20x = 48,631.28 × 20,130.96
  4. Step 4: Simplify right side
    35,249.20x = 978,994,352.43
  5. Step 5: Solve for x
    x = 978,994,352.43/35,249.20
  6. Step 6: Final answer
    x = 27,773.52

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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.