Home / 35,751.44-49,344.16-20,646.56

Finding the Fourth Proportional to 35,751.44, 49,344.16 and 20,646.56

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Solution

The fourth proportional to 35,751.44, 49,344.16 and 20,646.56 is: 28,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,751.44 : 49,344.16 = 20,646.56 : x
  2. Step 2: Convert to fraction form
    35,751.44/49,344.16 = 20,646.56/x
  3. Step 3: Cross multiply
    35,751.44x = 49,344.16 × 20,646.56
  4. Step 4: Simplify right side
    35,751.44x = 1,018,786,913.37
  5. Step 5: Solve for x
    x = 1,018,786,913.37/35,751.44
  6. Step 6: Final answer
    x = 28,496.39

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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.