Home / 61,131.25-84,361.36-35,655.21

Finding the Fourth Proportional to 61,131.25, 84,361.36 and 35,655.21

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Solution

The fourth proportional to 61,131.25, 84,361.36 and 35,655.21 is: 49,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,131.25 : 84,361.36 = 35,655.21 : x
  2. Step 2: Convert to fraction form
    61,131.25/84,361.36 = 35,655.21/x
  3. Step 3: Cross multiply
    61,131.25x = 84,361.36 × 35,655.21
  4. Step 4: Simplify right side
    61,131.25x = 3,007,922,006.69
  5. Step 5: Solve for x
    x = 3,007,922,006.69/61,131.25
  6. Step 6: Final answer
    x = 49,204.33

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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.