Home / 31,897.85-47,795.75-27,203.09

Finding the Fourth Proportional to 31,897.85, 47,795.75 and 27,203.09

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Solution

The fourth proportional to 31,897.85, 47,795.75 and 27,203.09 is: 40,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.85 : 47,795.75 = 27,203.09 : x
  2. Step 2: Convert to fraction form
    31,897.85/47,795.75 = 27,203.09/x
  3. Step 3: Cross multiply
    31,897.85x = 47,795.75 × 27,203.09
  4. Step 4: Simplify right side
    31,897.85x = 1,300,192,008.23
  5. Step 5: Solve for x
    x = 1,300,192,008.23/31,897.85
  6. Step 6: Final answer
    x = 40,761.12

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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.