Home / 35,640.36-49,189.14-22,213.80

Finding the Fourth Proportional to 35,640.36, 49,189.14 and 22,213.80

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Solution

The fourth proportional to 35,640.36, 49,189.14 and 22,213.80 is: 30,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640.36 : 49,189.14 = 22,213.80 : x
  2. Step 2: Convert to fraction form
    35,640.36/49,189.14 = 22,213.80/x
  3. Step 3: Cross multiply
    35,640.36x = 49,189.14 × 22,213.80
  4. Step 4: Simplify right side
    35,640.36x = 1,092,677,718.13
  5. Step 5: Solve for x
    x = 1,092,677,718.13/35,640.36
  6. Step 6: Final answer
    x = 30,658.44

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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.