Home / 30,249.12-45,374.31-11,014.20

Finding the Fourth Proportional to 30,249.12, 45,374.31 and 11,014.20

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Solution

The fourth proportional to 30,249.12, 45,374.31 and 11,014.20 is: 16,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249.12 : 45,374.31 = 11,014.20 : x
  2. Step 2: Convert to fraction form
    30,249.12/45,374.31 = 11,014.20/x
  3. Step 3: Cross multiply
    30,249.12x = 45,374.31 × 11,014.20
  4. Step 4: Simplify right side
    30,249.12x = 499,761,725.20
  5. Step 5: Solve for x
    x = 499,761,725.20/30,249.12
  6. Step 6: Final answer
    x = 16,521.53

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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.