Home / 35,130.88-48,481.96-20,025.92

Finding the Fourth Proportional to 35,130.88, 48,481.96 and 20,025.92

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Solution

The fourth proportional to 35,130.88, 48,481.96 and 20,025.92 is: 27,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.88 : 48,481.96 = 20,025.92 : x
  2. Step 2: Convert to fraction form
    35,130.88/48,481.96 = 20,025.92/x
  3. Step 3: Cross multiply
    35,130.88x = 48,481.96 × 20,025.92
  4. Step 4: Simplify right side
    35,130.88x = 970,895,852.40
  5. Step 5: Solve for x
    x = 970,895,852.40/35,130.88
  6. Step 6: Final answer
    x = 27,636.54

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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.