Home / 38,176.90-57,207.30-18,431.80

Finding the Fourth Proportional to 38,176.90, 57,207.30 and 18,431.80

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Solution

The fourth proportional to 38,176.90, 57,207.30 and 18,431.80 is: 27,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,176.90 : 57,207.30 = 18,431.80 : x
  2. Step 2: Convert to fraction form
    38,176.90/57,207.30 = 18,431.80/x
  3. Step 3: Cross multiply
    38,176.90x = 57,207.30 × 18,431.80
  4. Step 4: Simplify right side
    38,176.90x = 1,054,433,512.14
  5. Step 5: Solve for x
    x = 1,054,433,512.14/38,176.90
  6. Step 6: Final answer
    x = 27,619.67

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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.