Home / 30,626.88-42,265.12-17,199.44

Finding the Fourth Proportional to 30,626.88, 42,265.12 and 17,199.44

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Solution

The fourth proportional to 30,626.88, 42,265.12 and 17,199.44 is: 23,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.88 : 42,265.12 = 17,199.44 : x
  2. Step 2: Convert to fraction form
    30,626.88/42,265.12 = 17,199.44/x
  3. Step 3: Cross multiply
    30,626.88x = 42,265.12 × 17,199.44
  4. Step 4: Simplify right side
    30,626.88x = 726,936,395.53
  5. Step 5: Solve for x
    x = 726,936,395.53/30,626.88
  6. Step 6: Final answer
    x = 23,735.24

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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.