Home / 35,921.42-49,571.52-20,822.82

Finding the Fourth Proportional to 35,921.42, 49,571.52 and 20,822.82

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Solution

The fourth proportional to 35,921.42, 49,571.52 and 20,822.82 is: 28,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,921.42 : 49,571.52 = 20,822.82 : x
  2. Step 2: Convert to fraction form
    35,921.42/49,571.52 = 20,822.82/x
  3. Step 3: Cross multiply
    35,921.42x = 49,571.52 × 20,822.82
  4. Step 4: Simplify right side
    35,921.42x = 1,032,218,890.14
  5. Step 5: Solve for x
    x = 1,032,218,890.14/35,921.42
  6. Step 6: Final answer
    x = 28,735.47

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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.