Home / 20,437.62-30,651.57-5,646.21

Finding the Fourth Proportional to 20,437.62, 30,651.57 and 5,646.21

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Solution

The fourth proportional to 20,437.62, 30,651.57 and 5,646.21 is: 8,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.62 : 30,651.57 = 5,646.21 : x
  2. Step 2: Convert to fraction form
    20,437.62/30,651.57 = 5,646.21/x
  3. Step 3: Cross multiply
    20,437.62x = 30,651.57 × 5,646.21
  4. Step 4: Simplify right side
    20,437.62x = 173,065,201.05
  5. Step 5: Solve for x
    x = 173,065,201.05/20,437.62
  6. Step 6: Final answer
    x = 8,467.97

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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.