Home / 35,749.06-49,340.88-20,644.18

Finding the Fourth Proportional to 35,749.06, 49,340.88 and 20,644.18

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Solution

The fourth proportional to 35,749.06, 49,340.88 and 20,644.18 is: 28,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,749.06 : 49,340.88 = 20,644.18 : x
  2. Step 2: Convert to fraction form
    35,749.06/49,340.88 = 20,644.18/x
  3. Step 3: Cross multiply
    35,749.06x = 49,340.88 × 20,644.18
  4. Step 4: Simplify right side
    35,749.06x = 1,018,601,884.73
  5. Step 5: Solve for x
    x = 1,018,601,884.73/35,749.06
  6. Step 6: Final answer
    x = 28,493.11

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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.