Home / 35,629.09-49,160.48-21,481.63

Finding the Fourth Proportional to 35,629.09, 49,160.48 and 21,481.63

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Solution

The fourth proportional to 35,629.09, 49,160.48 and 21,481.63 is: 29,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,629.09 : 49,160.48 = 21,481.63 : x
  2. Step 2: Convert to fraction form
    35,629.09/49,160.48 = 21,481.63/x
  3. Step 3: Cross multiply
    35,629.09x = 49,160.48 × 21,481.63
  4. Step 4: Simplify right side
    35,629.09x = 1,056,047,011.67
  5. Step 5: Solve for x
    x = 1,056,047,011.67/35,629.09
  6. Step 6: Final answer
    x = 29,640.02

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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.