Home / 30,532.42-45,793.90-11,821.15

Finding the Fourth Proportional to 30,532.42, 45,793.90 and 11,821.15

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Solution

The fourth proportional to 30,532.42, 45,793.90 and 11,821.15 is: 17,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532.42 : 45,793.90 = 11,821.15 : x
  2. Step 2: Convert to fraction form
    30,532.42/45,793.90 = 11,821.15/x
  3. Step 3: Cross multiply
    30,532.42x = 45,793.90 × 11,821.15
  4. Step 4: Simplify right side
    30,532.42x = 541,336,560.99
  5. Step 5: Solve for x
    x = 541,336,560.99/30,532.42
  6. Step 6: Final answer
    x = 17,729.89

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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.