Home / 30,204.20-45,314.10-11,484.56

Finding the Fourth Proportional to 30,204.20, 45,314.10 and 11,484.56

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Solution

The fourth proportional to 30,204.20, 45,314.10 and 11,484.56 is: 17,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.20 : 45,314.10 = 11,484.56 : x
  2. Step 2: Convert to fraction form
    30,204.20/45,314.10 = 11,484.56/x
  3. Step 3: Cross multiply
    30,204.20x = 45,314.10 × 11,484.56
  4. Step 4: Simplify right side
    30,204.20x = 520,412,500.30
  5. Step 5: Solve for x
    x = 520,412,500.30/30,204.20
  6. Step 6: Final answer
    x = 17,229.81

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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.