Home / 41,133.92-61,618.62-18,916.88

Finding the Fourth Proportional to 41,133.92, 61,618.62 and 18,916.88

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Solution

The fourth proportional to 41,133.92, 61,618.62 and 18,916.88 is: 28,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,133.92 : 61,618.62 = 18,916.88 : x
  2. Step 2: Convert to fraction form
    41,133.92/61,618.62 = 18,916.88/x
  3. Step 3: Cross multiply
    41,133.92x = 61,618.62 × 18,916.88
  4. Step 4: Simplify right side
    41,133.92x = 1,165,632,040.31
  5. Step 5: Solve for x
    x = 1,165,632,040.31/41,133.92
  6. Step 6: Final answer
    x = 28,337.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.