Home / 30,343.60-45,524.37-15,562.90

Finding the Fourth Proportional to 30,343.60, 45,524.37 and 15,562.90

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Solution

The fourth proportional to 30,343.60, 45,524.37 and 15,562.90 is: 23,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.60 : 45,524.37 = 15,562.90 : x
  2. Step 2: Convert to fraction form
    30,343.60/45,524.37 = 15,562.90/x
  3. Step 3: Cross multiply
    30,343.60x = 45,524.37 × 15,562.90
  4. Step 4: Simplify right side
    30,343.60x = 708,491,217.87
  5. Step 5: Solve for x
    x = 708,491,217.87/30,343.60
  6. Step 6: Final answer
    x = 23,348.95

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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.