Home / 30,286.35-45,411.30-15,524.10

Finding the Fourth Proportional to 30,286.35, 45,411.30 and 15,524.10

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Solution

The fourth proportional to 30,286.35, 45,411.30 and 15,524.10 is: 23,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.35 : 45,411.30 = 15,524.10 : x
  2. Step 2: Convert to fraction form
    30,286.35/45,411.30 = 15,524.10/x
  3. Step 3: Cross multiply
    30,286.35x = 45,411.30 × 15,524.10
  4. Step 4: Simplify right side
    30,286.35x = 704,969,562.33
  5. Step 5: Solve for x
    x = 704,969,562.33/30,286.35
  6. Step 6: Final answer
    x = 23,276.81

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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.