Home / 37,401.38-51,613.90-20,634.38

Finding the Fourth Proportional to 37,401.38, 51,613.90 and 20,634.38

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Solution

The fourth proportional to 37,401.38, 51,613.90 and 20,634.38 is: 28,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,401.38 : 51,613.90 = 20,634.38 : x
  2. Step 2: Convert to fraction form
    37,401.38/51,613.90 = 20,634.38/x
  3. Step 3: Cross multiply
    37,401.38x = 51,613.90 × 20,634.38
  4. Step 4: Simplify right side
    37,401.38x = 1,065,020,825.88
  5. Step 5: Solve for x
    x = 1,065,020,825.88/37,401.38
  6. Step 6: Final answer
    x = 28,475.44

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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.