Home / 30,298.73-41,813.96-18,202.91

Finding the Fourth Proportional to 30,298.73, 41,813.96 and 18,202.91

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Solution

The fourth proportional to 30,298.73, 41,813.96 and 18,202.91 is: 25,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298.73 : 41,813.96 = 18,202.91 : x
  2. Step 2: Convert to fraction form
    30,298.73/41,813.96 = 18,202.91/x
  3. Step 3: Cross multiply
    30,298.73x = 41,813.96 × 18,202.91
  4. Step 4: Simplify right side
    30,298.73x = 761,135,552.93
  5. Step 5: Solve for x
    x = 761,135,552.93/30,298.73
  6. Step 6: Final answer
    x = 25,121.04

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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.