Home / 35,919.36-49,549.68-21,769.44

Finding the Fourth Proportional to 35,919.36, 49,549.68 and 21,769.44

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Solution

The fourth proportional to 35,919.36, 49,549.68 and 21,769.44 is: 30,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,919.36 : 49,549.68 = 21,769.44 : x
  2. Step 2: Convert to fraction form
    35,919.36/49,549.68 = 21,769.44/x
  3. Step 3: Cross multiply
    35,919.36x = 49,549.68 × 21,769.44
  4. Step 4: Simplify right side
    35,919.36x = 1,078,668,785.78
  5. Step 5: Solve for x
    x = 1,078,668,785.78/35,919.36
  6. Step 6: Final answer
    x = 30,030.29

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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.