Home / 30,112.32-41,560.20-17,363.20

Finding the Fourth Proportional to 30,112.32, 41,560.20 and 17,363.20

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Solution

The fourth proportional to 30,112.32, 41,560.20 and 17,363.20 is: 23,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.32 : 41,560.20 = 17,363.20 : x
  2. Step 2: Convert to fraction form
    30,112.32/41,560.20 = 17,363.20/x
  3. Step 3: Cross multiply
    30,112.32x = 41,560.20 × 17,363.20
  4. Step 4: Simplify right side
    30,112.32x = 721,618,064.64
  5. Step 5: Solve for x
    x = 721,618,064.64/30,112.32
  6. Step 6: Final answer
    x = 23,964.21

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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.