Home / 35,930.12-49,582.80-19,797.92

Finding the Fourth Proportional to 35,930.12, 49,582.80 and 19,797.92

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Solution

The fourth proportional to 35,930.12, 49,582.80 and 19,797.92 is: 27,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,930.12 : 49,582.80 = 19,797.92 : x
  2. Step 2: Convert to fraction form
    35,930.12/49,582.80 = 19,797.92/x
  3. Step 3: Cross multiply
    35,930.12x = 49,582.80 × 19,797.92
  4. Step 4: Simplify right side
    35,930.12x = 981,636,307.78
  5. Step 5: Solve for x
    x = 981,636,307.78/35,930.12
  6. Step 6: Final answer
    x = 27,320.71

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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.