Home / 42,571.78-63,857.69-17,584.37

Finding the Fourth Proportional to 42,571.78, 63,857.69 and 17,584.37

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Solution

The fourth proportional to 42,571.78, 63,857.69 and 17,584.37 is: 26,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,571.78 : 63,857.69 = 17,584.37 : x
  2. Step 2: Convert to fraction form
    42,571.78/63,857.69 = 17,584.37/x
  3. Step 3: Cross multiply
    42,571.78x = 63,857.69 × 17,584.37
  4. Step 4: Simplify right side
    42,571.78x = 1,122,896,841.10
  5. Step 5: Solve for x
    x = 1,122,896,841.10/42,571.78
  6. Step 6: Final answer
    x = 26,376.55

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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.