Home / 31,657.76-47,493.66-11,936.49

Finding the Fourth Proportional to 31,657.76, 47,493.66 and 11,936.49

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Solution

The fourth proportional to 31,657.76, 47,493.66 and 11,936.49 is: 17,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.76 : 47,493.66 = 11,936.49 : x
  2. Step 2: Convert to fraction form
    31,657.76/47,493.66 = 11,936.49/x
  3. Step 3: Cross multiply
    31,657.76x = 47,493.66 × 11,936.49
  4. Step 4: Simplify right side
    31,657.76x = 566,907,397.17
  5. Step 5: Solve for x
    x = 566,907,397.17/31,657.76
  6. Step 6: Final answer
    x = 17,907.38

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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.