Home / 31,892.07-47,769.76-25,940.71

Finding the Fourth Proportional to 31,892.07, 47,769.76 and 25,940.71

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Solution

The fourth proportional to 31,892.07, 47,769.76 and 25,940.71 is: 38,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892.07 : 47,769.76 = 25,940.71 : x
  2. Step 2: Convert to fraction form
    31,892.07/47,769.76 = 25,940.71/x
  3. Step 3: Cross multiply
    31,892.07x = 47,769.76 × 25,940.71
  4. Step 4: Simplify right side
    31,892.07x = 1,239,181,490.93
  5. Step 5: Solve for x
    x = 1,239,181,490.93/31,892.07
  6. Step 6: Final answer
    x = 38,855.47

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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.