Home / 33,791.18-46,627.76-18,681.80

Finding the Fourth Proportional to 33,791.18, 46,627.76 and 18,681.80

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Solution

The fourth proportional to 33,791.18, 46,627.76 and 18,681.80 is: 25,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,791.18 : 46,627.76 = 18,681.80 : x
  2. Step 2: Convert to fraction form
    33,791.18/46,627.76 = 18,681.80/x
  3. Step 3: Cross multiply
    33,791.18x = 46,627.76 × 18,681.80
  4. Step 4: Simplify right side
    33,791.18x = 871,090,160.22
  5. Step 5: Solve for x
    x = 871,090,160.22/33,791.18
  6. Step 6: Final answer
    x = 25,778.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.