Home / 30,625.84-42,262.16-17,195.44

Finding the Fourth Proportional to 30,625.84, 42,262.16 and 17,195.44

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Solution

The fourth proportional to 30,625.84, 42,262.16 and 17,195.44 is: 23,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625.84 : 42,262.16 = 17,195.44 : x
  2. Step 2: Convert to fraction form
    30,625.84/42,262.16 = 17,195.44/x
  3. Step 3: Cross multiply
    30,625.84x = 42,262.16 × 17,195.44
  4. Step 4: Simplify right side
    30,625.84x = 726,716,436.55
  5. Step 5: Solve for x
    x = 726,716,436.55/30,625.84
  6. Step 6: Final answer
    x = 23,728.87

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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.