Home / 35,238.70-48,629.76-20,133.34

Finding the Fourth Proportional to 35,238.70, 48,629.76 and 20,133.34

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Solution

The fourth proportional to 35,238.70, 48,629.76 and 20,133.34 is: 27,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,238.70 : 48,629.76 = 20,133.34 : x
  2. Step 2: Convert to fraction form
    35,238.70/48,629.76 = 20,133.34/x
  3. Step 3: Cross multiply
    35,238.70x = 48,629.76 × 20,133.34
  4. Step 4: Simplify right side
    35,238.70x = 979,079,492.20
  5. Step 5: Solve for x
    x = 979,079,492.20/35,238.70
  6. Step 6: Final answer
    x = 27,784.21

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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.