Home / 49,846.05-74,767.86-20,256.55

Finding the Fourth Proportional to 49,846.05, 74,767.86 and 20,256.55

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Solution

The fourth proportional to 49,846.05, 74,767.86 and 20,256.55 is: 30,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,846.05 : 74,767.86 = 20,256.55 : x
  2. Step 2: Convert to fraction form
    49,846.05/74,767.86 = 20,256.55/x
  3. Step 3: Cross multiply
    49,846.05x = 74,767.86 × 20,256.55
  4. Step 4: Simplify right side
    49,846.05x = 1,514,538,707.56
  5. Step 5: Solve for x
    x = 1,514,538,707.56/49,846.05
  6. Step 6: Final answer
    x = 30,384.33

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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.