Home / 35,721.80-49,296.10-19,806.44

Finding the Fourth Proportional to 35,721.80, 49,296.10 and 19,806.44

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Solution

The fourth proportional to 35,721.80, 49,296.10 and 19,806.44 is: 27,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.80 : 49,296.10 = 19,806.44 : x
  2. Step 2: Convert to fraction form
    35,721.80/49,296.10 = 19,806.44/x
  3. Step 3: Cross multiply
    35,721.80x = 49,296.10 × 19,806.44
  4. Step 4: Simplify right side
    35,721.80x = 976,380,246.88
  5. Step 5: Solve for x
    x = 976,380,246.88/35,721.80
  6. Step 6: Final answer
    x = 27,332.90

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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.