Home / 20,181.60-30,277.44-19,846.74

Finding the Fourth Proportional to 20,181.60, 30,277.44 and 19,846.74

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Solution

The fourth proportional to 20,181.60, 30,277.44 and 19,846.74 is: 29,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.60 : 30,277.44 = 19,846.74 : x
  2. Step 2: Convert to fraction form
    20,181.60/30,277.44 = 19,846.74/x
  3. Step 3: Cross multiply
    20,181.60x = 30,277.44 × 19,846.74
  4. Step 4: Simplify right side
    20,181.60x = 600,908,479.55
  5. Step 5: Solve for x
    x = 600,908,479.55/20,181.60
  6. Step 6: Final answer
    x = 29,775.07

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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.