Home / 35,790.60-49,391.19-19,875.36

Finding the Fourth Proportional to 35,790.60, 49,391.19 and 19,875.36

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Solution

The fourth proportional to 35,790.60, 49,391.19 and 19,875.36 is: 27,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.60 : 49,391.19 = 19,875.36 : x
  2. Step 2: Convert to fraction form
    35,790.60/49,391.19 = 19,875.36/x
  3. Step 3: Cross multiply
    35,790.60x = 49,391.19 × 19,875.36
  4. Step 4: Simplify right side
    35,790.60x = 981,667,682.08
  5. Step 5: Solve for x
    x = 981,667,682.08/35,790.60
  6. Step 6: Final answer
    x = 27,428.09

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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.