Home / 38,425.44-57,636.10-11,771.45

Finding the Fourth Proportional to 38,425.44, 57,636.10 and 11,771.45

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Solution

The fourth proportional to 38,425.44, 57,636.10 and 11,771.45 is: 17,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,425.44 : 57,636.10 = 11,771.45 : x
  2. Step 2: Convert to fraction form
    38,425.44/57,636.10 = 11,771.45/x
  3. Step 3: Cross multiply
    38,425.44x = 57,636.10 × 11,771.45
  4. Step 4: Simplify right side
    38,425.44x = 678,460,469.35
  5. Step 5: Solve for x
    x = 678,460,469.35/38,425.44
  6. Step 6: Final answer
    x = 17,656.54

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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.