Home / 36,082.46-54,121.87-12,392.19

Finding the Fourth Proportional to 36,082.46, 54,121.87 and 12,392.19

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Solution

The fourth proportional to 36,082.46, 54,121.87 and 12,392.19 is: 18,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,082.46 : 54,121.87 = 12,392.19 : x
  2. Step 2: Convert to fraction form
    36,082.46/54,121.87 = 12,392.19/x
  3. Step 3: Cross multiply
    36,082.46x = 54,121.87 × 12,392.19
  4. Step 4: Simplify right side
    36,082.46x = 670,688,511.69
  5. Step 5: Solve for x
    x = 670,688,511.69/36,082.46
  6. Step 6: Final answer
    x = 18,587.66

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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.