Home / 30,622.30-42,255.63-17,195.04

Finding the Fourth Proportional to 30,622.30, 42,255.63 and 17,195.04

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Solution

The fourth proportional to 30,622.30, 42,255.63 and 17,195.04 is: 23,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.30 : 42,255.63 = 17,195.04 : x
  2. Step 2: Convert to fraction form
    30,622.30/42,255.63 = 17,195.04/x
  3. Step 3: Cross multiply
    30,622.30x = 42,255.63 × 17,195.04
  4. Step 4: Simplify right side
    30,622.30x = 726,587,248.08
  5. Step 5: Solve for x
    x = 726,587,248.08/30,622.30
  6. Step 6: Final answer
    x = 23,727.39

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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.