Home / 35,790.73-49,390.23-19,874.77

Finding the Fourth Proportional to 35,790.73, 49,390.23 and 19,874.77

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Solution

The fourth proportional to 35,790.73, 49,390.23 and 19,874.77 is: 27,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.73 : 49,390.23 = 19,874.77 : x
  2. Step 2: Convert to fraction form
    35,790.73/49,390.23 = 19,874.77/x
  3. Step 3: Cross multiply
    35,790.73x = 49,390.23 × 19,874.77
  4. Step 4: Simplify right side
    35,790.73x = 981,619,461.50
  5. Step 5: Solve for x
    x = 981,619,461.50/35,790.73
  6. Step 6: Final answer
    x = 27,426.64

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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.