Home / 35,789.42-49,390.91-19,873.84

Finding the Fourth Proportional to 35,789.42, 49,390.91 and 19,873.84

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Solution

The fourth proportional to 35,789.42, 49,390.91 and 19,873.84 is: 27,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,789.42 : 49,390.91 = 19,873.84 : x
  2. Step 2: Convert to fraction form
    35,789.42/49,390.91 = 19,873.84/x
  3. Step 3: Cross multiply
    35,789.42x = 49,390.91 × 19,873.84
  4. Step 4: Simplify right side
    35,789.42x = 981,587,042.79
  5. Step 5: Solve for x
    x = 981,587,042.79/35,789.42
  6. Step 6: Final answer
    x = 27,426.74

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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.