Home / 40,906.10-61,359.30-12,443.33

Finding the Fourth Proportional to 40,906.10, 61,359.30 and 12,443.33

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Solution

The fourth proportional to 40,906.10, 61,359.30 and 12,443.33 is: 18,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.10 : 61,359.30 = 12,443.33 : x
  2. Step 2: Convert to fraction form
    40,906.10/61,359.30 = 12,443.33/x
  3. Step 3: Cross multiply
    40,906.10x = 61,359.30 × 12,443.33
  4. Step 4: Simplify right side
    40,906.10x = 763,513,711.67
  5. Step 5: Solve for x
    x = 763,513,711.67/40,906.10
  6. Step 6: Final answer
    x = 18,665.04

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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.