Home / 38,794.60-58,148.70-20,067.40

Finding the Fourth Proportional to 38,794.60, 58,148.70 and 20,067.40

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Solution

The fourth proportional to 38,794.60, 58,148.70 and 20,067.40 is: 30,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,794.60 : 58,148.70 = 20,067.40 : x
  2. Step 2: Convert to fraction form
    38,794.60/58,148.70 = 20,067.40/x
  3. Step 3: Cross multiply
    38,794.60x = 58,148.70 × 20,067.40
  4. Step 4: Simplify right side
    38,794.60x = 1,166,893,222.38
  5. Step 5: Solve for x
    x = 1,166,893,222.38/38,794.60
  6. Step 6: Final answer
    x = 30,078.75

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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.