Home / 30,622.29-42,257.38-17,193.30

Finding the Fourth Proportional to 30,622.29, 42,257.38 and 17,193.30

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Solution

The fourth proportional to 30,622.29, 42,257.38 and 17,193.30 is: 23,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.29 : 42,257.38 = 17,193.30 : x
  2. Step 2: Convert to fraction form
    30,622.29/42,257.38 = 17,193.30/x
  3. Step 3: Cross multiply
    30,622.29x = 42,257.38 × 17,193.30
  4. Step 4: Simplify right side
    30,622.29x = 726,543,811.55
  5. Step 5: Solve for x
    x = 726,543,811.55/30,622.29
  6. Step 6: Final answer
    x = 23,725.98

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Double scale
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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.