Home / 30,696.12-42,361.24-17,950.44

Finding the Fourth Proportional to 30,696.12, 42,361.24 and 17,950.44

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Solution

The fourth proportional to 30,696.12, 42,361.24 and 17,950.44 is: 24,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696.12 : 42,361.24 = 17,950.44 : x
  2. Step 2: Convert to fraction form
    30,696.12/42,361.24 = 17,950.44/x
  3. Step 3: Cross multiply
    30,696.12x = 42,361.24 × 17,950.44
  4. Step 4: Simplify right side
    30,696.12x = 760,402,896.95
  5. Step 5: Solve for x
    x = 760,402,896.95/30,696.12
  6. Step 6: Final answer
    x = 24,771.95

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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.