Home / 44,299.45-66,375.18-31,128.25

Finding the Fourth Proportional to 44,299.45, 66,375.18 and 31,128.25

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Solution

The fourth proportional to 44,299.45, 66,375.18 and 31,128.25 is: 46,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,299.45 : 66,375.18 = 31,128.25 : x
  2. Step 2: Convert to fraction form
    44,299.45/66,375.18 = 31,128.25/x
  3. Step 3: Cross multiply
    44,299.45x = 66,375.18 × 31,128.25
  4. Step 4: Simplify right side
    44,299.45x = 2,066,143,196.84
  5. Step 5: Solve for x
    x = 2,066,143,196.84/44,299.45
  6. Step 6: Final answer
    x = 46,640.38

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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.