Home / 36,434.61-54,395.28-31,171.64

Finding the Fourth Proportional to 36,434.61, 54,395.28 and 31,171.64

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Solution

The fourth proportional to 36,434.61, 54,395.28 and 31,171.64 is: 46,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,434.61 : 54,395.28 = 31,171.64 : x
  2. Step 2: Convert to fraction form
    36,434.61/54,395.28 = 31,171.64/x
  3. Step 3: Cross multiply
    36,434.61x = 54,395.28 × 31,171.64
  4. Step 4: Simplify right side
    36,434.61x = 1,695,589,813.88
  5. Step 5: Solve for x
    x = 1,695,589,813.88/36,434.61
  6. Step 6: Final answer
    x = 46,537.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.