Home / 30,625.40-42,260.46-17,195.60

Finding the Fourth Proportional to 30,625.40, 42,260.46 and 17,195.60

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Solution

The fourth proportional to 30,625.40, 42,260.46 and 17,195.60 is: 23,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625.40 : 42,260.46 = 17,195.60 : x
  2. Step 2: Convert to fraction form
    30,625.40/42,260.46 = 17,195.60/x
  3. Step 3: Cross multiply
    30,625.40x = 42,260.46 × 17,195.60
  4. Step 4: Simplify right side
    30,625.40x = 726,693,965.98
  5. Step 5: Solve for x
    x = 726,693,965.98/30,625.40
  6. Step 6: Final answer
    x = 23,728.47

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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.