Home / 35,102.92-48,440.28-20,950.60

Finding the Fourth Proportional to 35,102.92, 48,440.28 and 20,950.60

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Solution

The fourth proportional to 35,102.92, 48,440.28 and 20,950.60 is: 28,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,102.92 : 48,440.28 = 20,950.60 : x
  2. Step 2: Convert to fraction form
    35,102.92/48,440.28 = 20,950.60/x
  3. Step 3: Cross multiply
    35,102.92x = 48,440.28 × 20,950.60
  4. Step 4: Simplify right side
    35,102.92x = 1,014,852,930.17
  5. Step 5: Solve for x
    x = 1,014,852,930.17/35,102.92
  6. Step 6: Final answer
    x = 28,910.78

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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.