Home / 61,124.16-91,687.68-19,571.52

Finding the Fourth Proportional to 61,124.16, 91,687.68 and 19,571.52

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Solution

The fourth proportional to 61,124.16, 91,687.68 and 19,571.52 is: 29,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,124.16 : 91,687.68 = 19,571.52 : x
  2. Step 2: Convert to fraction form
    61,124.16/91,687.68 = 19,571.52/x
  3. Step 3: Cross multiply
    61,124.16x = 91,687.68 × 19,571.52
  4. Step 4: Simplify right side
    61,124.16x = 1,794,467,262.87
  5. Step 5: Solve for x
    x = 1,794,467,262.87/61,124.16
  6. Step 6: Final answer
    x = 29,357.74

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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.