Home / 71,372.20-107,058.30-38,194.60

Finding the Fourth Proportional to 71,372.20, 107,058.30 and 38,194.60

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Solution

The fourth proportional to 71,372.20, 107,058.30 and 38,194.60 is: 57,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,372.20 : 107,058.30 = 38,194.60 : x
  2. Step 2: Convert to fraction form
    71,372.20/107,058.30 = 38,194.60/x
  3. Step 3: Cross multiply
    71,372.20x = 107,058.30 × 38,194.60
  4. Step 4: Simplify right side
    71,372.20x = 4,089,048,945.18
  5. Step 5: Solve for x
    x = 4,089,048,945.18/71,372.20
  6. Step 6: Final answer
    x = 57,291.90

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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.