Home / 38,167.44-57,188.91-19,421.70

Finding the Fourth Proportional to 38,167.44, 57,188.91 and 19,421.70

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Solution

The fourth proportional to 38,167.44, 57,188.91 and 19,421.70 is: 29,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,167.44 : 57,188.91 = 19,421.70 : x
  2. Step 2: Convert to fraction form
    38,167.44/57,188.91 = 19,421.70/x
  3. Step 3: Cross multiply
    38,167.44x = 57,188.91 × 19,421.70
  4. Step 4: Simplify right side
    38,167.44x = 1,110,705,853.35
  5. Step 5: Solve for x
    x = 1,110,705,853.35/38,167.44
  6. Step 6: Final answer
    x = 29,100.87

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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.