Home / 20,608.08-30,955.83-19,408.32

Finding the Fourth Proportional to 20,608.08, 30,955.83 and 19,408.32

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Solution

The fourth proportional to 20,608.08, 30,955.83 and 19,408.32 is: 29,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.08 : 30,955.83 = 19,408.32 : x
  2. Step 2: Convert to fraction form
    20,608.08/30,955.83 = 19,408.32/x
  3. Step 3: Cross multiply
    20,608.08x = 30,955.83 × 19,408.32
  4. Step 4: Simplify right side
    20,608.08x = 600,800,654.51
  5. Step 5: Solve for x
    x = 600,800,654.51/20,608.08
  6. Step 6: Final answer
    x = 29,153.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.