Home / 37,396.14-51,605.54-20,400.72

Finding the Fourth Proportional to 37,396.14, 51,605.54 and 20,400.72

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Solution

The fourth proportional to 37,396.14, 51,605.54 and 20,400.72 is: 28,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,396.14 : 51,605.54 = 20,400.72 : x
  2. Step 2: Convert to fraction form
    37,396.14/51,605.54 = 20,400.72/x
  3. Step 3: Cross multiply
    37,396.14x = 51,605.54 × 20,400.72
  4. Step 4: Simplify right side
    37,396.14x = 1,052,790,067.72
  5. Step 5: Solve for x
    x = 1,052,790,067.72/37,396.14
  6. Step 6: Final answer
    x = 28,152.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.