Home / 30,840.92-42,560.32-17,412.04

Finding the Fourth Proportional to 30,840.92, 42,560.32 and 17,412.04

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Solution

The fourth proportional to 30,840.92, 42,560.32 and 17,412.04 is: 24,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.92 : 42,560.32 = 17,412.04 : x
  2. Step 2: Convert to fraction form
    30,840.92/42,560.32 = 17,412.04/x
  3. Step 3: Cross multiply
    30,840.92x = 42,560.32 × 17,412.04
  4. Step 4: Simplify right side
    30,840.92x = 741,061,994.25
  5. Step 5: Solve for x
    x = 741,061,994.25/30,840.92
  6. Step 6: Final answer
    x = 24,028.53

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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.