Home / 35,790.42-49,390.56-19,874.94

Finding the Fourth Proportional to 35,790.42, 49,390.56 and 19,874.94

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Solution

The fourth proportional to 35,790.42, 49,390.56 and 19,874.94 is: 27,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.42 : 49,390.56 = 19,874.94 : x
  2. Step 2: Convert to fraction form
    35,790.42/49,390.56 = 19,874.94/x
  3. Step 3: Cross multiply
    35,790.42x = 49,390.56 × 19,874.94
  4. Step 4: Simplify right side
    35,790.42x = 981,634,416.57
  5. Step 5: Solve for x
    x = 981,634,416.57/35,790.42
  6. Step 6: Final answer
    x = 27,427.30

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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.