Home / 30,183.05-41,666.57-18,089.28

Finding the Fourth Proportional to 30,183.05, 41,666.57 and 18,089.28

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Solution

The fourth proportional to 30,183.05, 41,666.57 and 18,089.28 is: 24,971.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.05 : 41,666.57 = 18,089.28 : x
  2. Step 2: Convert to fraction form
    30,183.05/41,666.57 = 18,089.28/x
  3. Step 3: Cross multiply
    30,183.05x = 41,666.57 × 18,089.28
  4. Step 4: Simplify right side
    30,183.05x = 753,718,160.92
  5. Step 5: Solve for x
    x = 753,718,160.92/30,183.05
  6. Step 6: Final answer
    x = 24,971.57

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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.