Home / 35,805.21-49,407.03-19,887.09

Finding the Fourth Proportional to 35,805.21, 49,407.03 and 19,887.09

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Solution

The fourth proportional to 35,805.21, 49,407.03 and 19,887.09 is: 27,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,805.21 : 49,407.03 = 19,887.09 : x
  2. Step 2: Convert to fraction form
    35,805.21/49,407.03 = 19,887.09/x
  3. Step 3: Cross multiply
    35,805.21x = 49,407.03 × 19,887.09
  4. Step 4: Simplify right side
    35,805.21x = 982,562,052.24
  5. Step 5: Solve for x
    x = 982,562,052.24/35,805.21
  6. Step 6: Final answer
    x = 27,441.87

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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.