Home / 41,216.10-61,803.45-20,157.72

Finding the Fourth Proportional to 41,216.10, 61,803.45 and 20,157.72

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Solution

The fourth proportional to 41,216.10, 61,803.45 and 20,157.72 is: 30,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,216.10 : 61,803.45 = 20,157.72 : x
  2. Step 2: Convert to fraction form
    41,216.10/61,803.45 = 20,157.72/x
  3. Step 3: Cross multiply
    41,216.10x = 61,803.45 × 20,157.72
  4. Step 4: Simplify right side
    41,216.10x = 1,245,816,640.13
  5. Step 5: Solve for x
    x = 1,245,816,640.13/41,216.10
  6. Step 6: Final answer
    x = 30,226.46

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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.