Home / 30,622.84-42,256.25-17,195.56

Finding the Fourth Proportional to 30,622.84, 42,256.25 and 17,195.56

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Solution

The fourth proportional to 30,622.84, 42,256.25 and 17,195.56 is: 23,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.84 : 42,256.25 = 17,195.56 : x
  2. Step 2: Convert to fraction form
    30,622.84/42,256.25 = 17,195.56/x
  3. Step 3: Cross multiply
    30,622.84x = 42,256.25 × 17,195.56
  4. Step 4: Simplify right side
    30,622.84x = 726,619,882.25
  5. Step 5: Solve for x
    x = 726,619,882.25/30,622.84
  6. Step 6: Final answer
    x = 23,728.04

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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.