Home / 34,054.96-46,997.20-20,618.58

Finding the Fourth Proportional to 34,054.96, 46,997.20 and 20,618.58

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Solution

The fourth proportional to 34,054.96, 46,997.20 and 20,618.58 is: 28,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,054.96 : 46,997.20 = 20,618.58 : x
  2. Step 2: Convert to fraction form
    34,054.96/46,997.20 = 20,618.58/x
  3. Step 3: Cross multiply
    34,054.96x = 46,997.20 × 20,618.58
  4. Step 4: Simplify right side
    34,054.96x = 969,015,527.98
  5. Step 5: Solve for x
    x = 969,015,527.98/34,054.96
  6. Step 6: Final answer
    x = 28,454.46

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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.