Home / 36,308.80-54,317.40-31,432.60

Finding the Fourth Proportional to 36,308.80, 54,317.40 and 31,432.60

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Solution

The fourth proportional to 36,308.80, 54,317.40 and 31,432.60 is: 47,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,308.80 : 54,317.40 = 31,432.60 : x
  2. Step 2: Convert to fraction form
    36,308.80/54,317.40 = 31,432.60/x
  3. Step 3: Cross multiply
    36,308.80x = 54,317.40 × 31,432.60
  4. Step 4: Simplify right side
    36,308.80x = 1,707,337,107.24
  5. Step 5: Solve for x
    x = 1,707,337,107.24/36,308.80
  6. Step 6: Final answer
    x = 47,022.68

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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.