Home / 35,585.20-49,105.47-19,668.70

Finding the Fourth Proportional to 35,585.20, 49,105.47 and 19,668.70

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Solution

The fourth proportional to 35,585.20, 49,105.47 and 19,668.70 is: 27,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,585.20 : 49,105.47 = 19,668.70 : x
  2. Step 2: Convert to fraction form
    35,585.20/49,105.47 = 19,668.70/x
  3. Step 3: Cross multiply
    35,585.20x = 49,105.47 × 19,668.70
  4. Step 4: Simplify right side
    35,585.20x = 965,840,512.26
  5. Step 5: Solve for x
    x = 965,840,512.26/35,585.20
  6. Step 6: Final answer
    x = 27,141.64

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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.