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Finding the Fourth Proportional to 61,866.24, 85,375.65 and 33,571.94

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Solution

The fourth proportional to 61,866.24, 85,375.65 and 33,571.94 is: 46,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,866.24 : 85,375.65 = 33,571.94 : x
  2. Step 2: Convert to fraction form
    61,866.24/85,375.65 = 33,571.94/x
  3. Step 3: Cross multiply
    61,866.24x = 85,375.65 × 33,571.94
  4. Step 4: Simplify right side
    61,866.24x = 2,866,225,772.38
  5. Step 5: Solve for x
    x = 2,866,225,772.38/61,866.24
  6. Step 6: Final answer
    x = 46,329.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.