Home / 31,906.15-47,861.54-10,837.64

Finding the Fourth Proportional to 31,906.15, 47,861.54 and 10,837.64

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Solution

The fourth proportional to 31,906.15, 47,861.54 and 10,837.64 is: 16,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906.15 : 47,861.54 = 10,837.64 : x
  2. Step 2: Convert to fraction form
    31,906.15/47,861.54 = 10,837.64/x
  3. Step 3: Cross multiply
    31,906.15x = 47,861.54 × 10,837.64
  4. Step 4: Simplify right side
    31,906.15x = 518,706,287.11
  5. Step 5: Solve for x
    x = 518,706,287.11/31,906.15
  6. Step 6: Final answer
    x = 16,257.25

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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.