Home / 34,821.86-48,054.20-18,906.30

Finding the Fourth Proportional to 34,821.86, 48,054.20 and 18,906.30

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Solution

The fourth proportional to 34,821.86, 48,054.20 and 18,906.30 is: 26,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,821.86 : 48,054.20 = 18,906.30 : x
  2. Step 2: Convert to fraction form
    34,821.86/48,054.20 = 18,906.30/x
  3. Step 3: Cross multiply
    34,821.86x = 48,054.20 × 18,906.30
  4. Step 4: Simplify right side
    34,821.86x = 908,527,026.93
  5. Step 5: Solve for x
    x = 908,527,026.93/34,821.86
  6. Step 6: Final answer
    x = 26,090.71

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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.