Home / 49,242.16-67,954.26-28,021.60

Finding the Fourth Proportional to 49,242.16, 67,954.26 and 28,021.60

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Solution

The fourth proportional to 49,242.16, 67,954.26 and 28,021.60 is: 38,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,242.16 : 67,954.26 = 28,021.60 : x
  2. Step 2: Convert to fraction form
    49,242.16/67,954.26 = 28,021.60/x
  3. Step 3: Cross multiply
    49,242.16x = 67,954.26 × 28,021.60
  4. Step 4: Simplify right side
    49,242.16x = 1,904,187,092.02
  5. Step 5: Solve for x
    x = 1,904,187,092.02/49,242.16
  6. Step 6: Final answer
    x = 38,669.85

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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.