Home / 35,790.30-49,392.26-19,874.81

Finding the Fourth Proportional to 35,790.30, 49,392.26 and 19,874.81

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Solution

The fourth proportional to 35,790.30, 49,392.26 and 19,874.81 is: 27,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.30 : 49,392.26 = 19,874.81 : x
  2. Step 2: Convert to fraction form
    35,790.30/49,392.26 = 19,874.81/x
  3. Step 3: Cross multiply
    35,790.30x = 49,392.26 × 19,874.81
  4. Step 4: Simplify right side
    35,790.30x = 981,661,807.08
  5. Step 5: Solve for x
    x = 981,661,807.08/35,790.30
  6. Step 6: Final answer
    x = 27,428.15

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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.