Home / 30,385.20-45,558.01-12,610.96

Finding the Fourth Proportional to 30,385.20, 45,558.01 and 12,610.96

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Solution

The fourth proportional to 30,385.20, 45,558.01 and 12,610.96 is: 18,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.20 : 45,558.01 = 12,610.96 : x
  2. Step 2: Convert to fraction form
    30,385.20/45,558.01 = 12,610.96/x
  3. Step 3: Cross multiply
    30,385.20x = 45,558.01 × 12,610.96
  4. Step 4: Simplify right side
    30,385.20x = 574,530,241.79
  5. Step 5: Solve for x
    x = 574,530,241.79/30,385.20
  6. Step 6: Final answer
    x = 18,908.23

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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.