Home / 36,165.40-54,184.32-31,672.94

Finding the Fourth Proportional to 36,165.40, 54,184.32 and 31,672.94

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Solution

The fourth proportional to 36,165.40, 54,184.32 and 31,672.94 is: 47,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,165.40 : 54,184.32 = 31,672.94 : x
  2. Step 2: Convert to fraction form
    36,165.40/54,184.32 = 31,672.94/x
  3. Step 3: Cross multiply
    36,165.40x = 54,184.32 × 31,672.94
  4. Step 4: Simplify right side
    36,165.40x = 1,716,176,716.30
  5. Step 5: Solve for x
    x = 1,716,176,716.30/36,165.40
  6. Step 6: Final answer
    x = 47,453.55

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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.