Home / 30,366.15-45,562.39-16,309.78

Finding the Fourth Proportional to 30,366.15, 45,562.39 and 16,309.78

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Solution

The fourth proportional to 30,366.15, 45,562.39 and 16,309.78 is: 24,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.15 : 45,562.39 = 16,309.78 : x
  2. Step 2: Convert to fraction form
    30,366.15/45,562.39 = 16,309.78/x
  3. Step 3: Cross multiply
    30,366.15x = 45,562.39 × 16,309.78
  4. Step 4: Simplify right side
    30,366.15x = 743,112,507.70
  5. Step 5: Solve for x
    x = 743,112,507.70/30,366.15
  6. Step 6: Final answer
    x = 24,471.74

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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.