Home / 31,907.76-47,883.54-11,131.26

Finding the Fourth Proportional to 31,907.76, 47,883.54 and 11,131.26

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Solution

The fourth proportional to 31,907.76, 47,883.54 and 11,131.26 is: 16,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,907.76 : 47,883.54 = 11,131.26 : x
  2. Step 2: Convert to fraction form
    31,907.76/47,883.54 = 11,131.26/x
  3. Step 3: Cross multiply
    31,907.76x = 47,883.54 × 11,131.26
  4. Step 4: Simplify right side
    31,907.76x = 533,004,133.46
  5. Step 5: Solve for x
    x = 533,004,133.46/31,907.76
  6. Step 6: Final answer
    x = 16,704.53

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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.