Home / 39,126.21-58,589.13-21,576.57

Finding the Fourth Proportional to 39,126.21, 58,589.13 and 21,576.57

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Solution

The fourth proportional to 39,126.21, 58,589.13 and 21,576.57 is: 32,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126.21 : 58,589.13 = 21,576.57 : x
  2. Step 2: Convert to fraction form
    39,126.21/58,589.13 = 21,576.57/x
  3. Step 3: Cross multiply
    39,126.21x = 58,589.13 × 21,576.57
  4. Step 4: Simplify right side
    39,126.21x = 1,264,152,464.68
  5. Step 5: Solve for x
    x = 1,264,152,464.68/39,126.21
  6. Step 6: Final answer
    x = 32,309.61

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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.