Home / 36,057.08-49,731.36-31,029.80

Finding the Fourth Proportional to 36,057.08, 49,731.36 and 31,029.80

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Solution

The fourth proportional to 36,057.08, 49,731.36 and 31,029.80 is: 42,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,057.08 : 49,731.36 = 31,029.80 : x
  2. Step 2: Convert to fraction form
    36,057.08/49,731.36 = 31,029.80/x
  3. Step 3: Cross multiply
    36,057.08x = 49,731.36 × 31,029.80
  4. Step 4: Simplify right side
    36,057.08x = 1,543,154,154.53
  5. Step 5: Solve for x
    x = 1,543,154,154.53/36,057.08
  6. Step 6: Final answer
    x = 42,797.54

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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.