Home / 45,119.60-67,680.48-15,536.96

Finding the Fourth Proportional to 45,119.60, 67,680.48 and 15,536.96

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Solution

The fourth proportional to 45,119.60, 67,680.48 and 15,536.96 is: 23,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,119.60 : 67,680.48 = 15,536.96 : x
  2. Step 2: Convert to fraction form
    45,119.60/67,680.48 = 15,536.96/x
  3. Step 3: Cross multiply
    45,119.60x = 67,680.48 × 15,536.96
  4. Step 4: Simplify right side
    45,119.60x = 1,051,548,910.54
  5. Step 5: Solve for x
    x = 1,051,548,910.54/45,119.60
  6. Step 6: Final answer
    x = 23,305.81

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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.