Home / 45,211.62-67,804.68-13,613.13

Finding the Fourth Proportional to 45,211.62, 67,804.68 and 13,613.13

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Solution

The fourth proportional to 45,211.62, 67,804.68 and 13,613.13 is: 20,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,211.62 : 67,804.68 = 13,613.13 : x
  2. Step 2: Convert to fraction form
    45,211.62/67,804.68 = 13,613.13/x
  3. Step 3: Cross multiply
    45,211.62x = 67,804.68 × 13,613.13
  4. Step 4: Simplify right side
    45,211.62x = 923,033,923.45
  5. Step 5: Solve for x
    x = 923,033,923.45/45,211.62
  6. Step 6: Final answer
    x = 20,415.86

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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.