Home / 40,120.96-60,191.44-12,041.54

Finding the Fourth Proportional to 40,120.96, 60,191.44 and 12,041.54

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Solution

The fourth proportional to 40,120.96, 60,191.44 and 12,041.54 is: 18,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,120.96 : 60,191.44 = 12,041.54 : x
  2. Step 2: Convert to fraction form
    40,120.96/60,191.44 = 12,041.54/x
  3. Step 3: Cross multiply
    40,120.96x = 60,191.44 × 12,041.54
  4. Step 4: Simplify right side
    40,120.96x = 724,797,357.79
  5. Step 5: Solve for x
    x = 724,797,357.79/40,120.96
  6. Step 6: Final answer
    x = 18,065.30

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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.