Home / 29,677.58-40,958.31-18,922.83

Finding the Fourth Proportional to 29,677.58, 40,958.31 and 18,922.83

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Solution

The fourth proportional to 29,677.58, 40,958.31 and 18,922.83 is: 26,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,677.58 : 40,958.31 = 18,922.83 : x
  2. Step 2: Convert to fraction form
    29,677.58/40,958.31 = 18,922.83/x
  3. Step 3: Cross multiply
    29,677.58x = 40,958.31 × 18,922.83
  4. Step 4: Simplify right side
    29,677.58x = 775,047,137.22
  5. Step 5: Solve for x
    x = 775,047,137.22/29,677.58
  6. Step 6: Final answer
    x = 26,115.58

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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.