Home / 35,640.99-49,184.22-19,725.03

Finding the Fourth Proportional to 35,640.99, 49,184.22 and 19,725.03

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Solution

The fourth proportional to 35,640.99, 49,184.22 and 19,725.03 is: 27,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640.99 : 49,184.22 = 19,725.03 : x
  2. Step 2: Convert to fraction form
    35,640.99/49,184.22 = 19,725.03/x
  3. Step 3: Cross multiply
    35,640.99x = 49,184.22 × 19,725.03
  4. Step 4: Simplify right side
    35,640.99x = 970,160,215.03
  5. Step 5: Solve for x
    x = 970,160,215.03/35,640.99
  6. Step 6: Final answer
    x = 27,220.35

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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.