Home / 30,696.98-42,361.41-17,268.23

Finding the Fourth Proportional to 30,696.98, 42,361.41 and 17,268.23

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Solution

The fourth proportional to 30,696.98, 42,361.41 and 17,268.23 is: 23,829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696.98 : 42,361.41 = 17,268.23 : x
  2. Step 2: Convert to fraction form
    30,696.98/42,361.41 = 17,268.23/x
  3. Step 3: Cross multiply
    30,696.98x = 42,361.41 × 17,268.23
  4. Step 4: Simplify right side
    30,696.98x = 731,506,571.00
  5. Step 5: Solve for x
    x = 731,506,571.00/30,696.98
  6. Step 6: Final answer
    x = 23,829.92

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1.5x scale

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.