Home / 20,435.02-30,651.92-5,644.82

Finding the Fourth Proportional to 20,435.02, 30,651.92 and 5,644.82

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Solution

The fourth proportional to 20,435.02, 30,651.92 and 5,644.82 is: 8,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,435.02 : 30,651.92 = 5,644.82 : x
  2. Step 2: Convert to fraction form
    20,435.02/30,651.92 = 5,644.82/x
  3. Step 3: Cross multiply
    20,435.02x = 30,651.92 × 5,644.82
  4. Step 4: Simplify right side
    20,435.02x = 173,024,640.63
  5. Step 5: Solve for x
    x = 173,024,640.63/20,435.02
  6. Step 6: Final answer
    x = 8,467.07

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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.