Home / 37,229.72-51,377.18-20,463.80

Finding the Fourth Proportional to 37,229.72, 51,377.18 and 20,463.80

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Solution

The fourth proportional to 37,229.72, 51,377.18 and 20,463.80 is: 28,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,229.72 : 51,377.18 = 20,463.80 : x
  2. Step 2: Convert to fraction form
    37,229.72/51,377.18 = 20,463.80/x
  3. Step 3: Cross multiply
    37,229.72x = 51,377.18 × 20,463.80
  4. Step 4: Simplify right side
    37,229.72x = 1,051,372,336.08
  5. Step 5: Solve for x
    x = 1,051,372,336.08/37,229.72
  6. Step 6: Final answer
    x = 28,240.14

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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.