Home / 35,790.54-49,391.87-19,876.47

Finding the Fourth Proportional to 35,790.54, 49,391.87 and 19,876.47

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Solution

The fourth proportional to 35,790.54, 49,391.87 and 19,876.47 is: 27,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.54 : 49,391.87 = 19,876.47 : x
  2. Step 2: Convert to fraction form
    35,790.54/49,391.87 = 19,876.47/x
  3. Step 3: Cross multiply
    35,790.54x = 49,391.87 × 19,876.47
  4. Step 4: Simplify right side
    35,790.54x = 981,736,022.30
  5. Step 5: Solve for x
    x = 981,736,022.30/35,790.54
  6. Step 6: Final answer
    x = 27,430.04

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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.