Home / 35,738.63-49,321.55-20,634.06

Finding the Fourth Proportional to 35,738.63, 49,321.55 and 20,634.06

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Solution

The fourth proportional to 35,738.63, 49,321.55 and 20,634.06 is: 28,476.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,738.63 : 49,321.55 = 20,634.06 : x
  2. Step 2: Convert to fraction form
    35,738.63/49,321.55 = 20,634.06/x
  3. Step 3: Cross multiply
    35,738.63x = 49,321.55 × 20,634.06
  4. Step 4: Simplify right side
    35,738.63x = 1,017,703,472.21
  5. Step 5: Solve for x
    x = 1,017,703,472.21/35,738.63
  6. Step 6: Final answer
    x = 28,476.29

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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.