Home / 31,940.62-47,953.32-27,290.51

Finding the Fourth Proportional to 31,940.62, 47,953.32 and 27,290.51

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Solution

The fourth proportional to 31,940.62, 47,953.32 and 27,290.51 is: 40,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940.62 : 47,953.32 = 27,290.51 : x
  2. Step 2: Convert to fraction form
    31,940.62/47,953.32 = 27,290.51/x
  3. Step 3: Cross multiply
    31,940.62x = 47,953.32 × 27,290.51
  4. Step 4: Simplify right side
    31,940.62x = 1,308,670,319.23
  5. Step 5: Solve for x
    x = 1,308,670,319.23/31,940.62
  6. Step 6: Final answer
    x = 40,971.98

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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.