Home / 37,191.45-51,324.14-20,424.45

Finding the Fourth Proportional to 37,191.45, 51,324.14 and 20,424.45

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Solution

The fourth proportional to 37,191.45, 51,324.14 and 20,424.45 is: 28,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191.45 : 51,324.14 = 20,424.45 : x
  2. Step 2: Convert to fraction form
    37,191.45/51,324.14 = 20,424.45/x
  3. Step 3: Cross multiply
    37,191.45x = 51,324.14 × 20,424.45
  4. Step 4: Simplify right side
    37,191.45x = 1,048,267,382.28
  5. Step 5: Solve for x
    x = 1,048,267,382.28/37,191.45
  6. Step 6: Final answer
    x = 28,185.71

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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.