Home / 35,647.05-49,194.09-20,538.54

Finding the Fourth Proportional to 35,647.05, 49,194.09 and 20,538.54

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Solution

The fourth proportional to 35,647.05, 49,194.09 and 20,538.54 is: 28,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.05 : 49,194.09 = 20,538.54 : x
  2. Step 2: Convert to fraction form
    35,647.05/49,194.09 = 20,538.54/x
  3. Step 3: Cross multiply
    35,647.05x = 49,194.09 × 20,538.54
  4. Step 4: Simplify right side
    35,647.05x = 1,010,374,785.23
  5. Step 5: Solve for x
    x = 1,010,374,785.23/35,647.05
  6. Step 6: Final answer
    x = 28,343.85

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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.