Home / 38,815.62-58,181.90-20,076.79

Finding the Fourth Proportional to 38,815.62, 58,181.90 and 20,076.79

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Solution

The fourth proportional to 38,815.62, 58,181.90 and 20,076.79 is: 30,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.62 : 58,181.90 = 20,076.79 : x
  2. Step 2: Convert to fraction form
    38,815.62/58,181.90 = 20,076.79/x
  3. Step 3: Cross multiply
    38,815.62x = 58,181.90 × 20,076.79
  4. Step 4: Simplify right side
    38,815.62x = 1,168,105,396.81
  5. Step 5: Solve for x
    x = 1,168,105,396.81/38,815.62
  6. Step 6: Final answer
    x = 30,093.70

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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.