Home / 40,226.81-60,316.67-12,138.44

Finding the Fourth Proportional to 40,226.81, 60,316.67 and 12,138.44

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Solution

The fourth proportional to 40,226.81, 60,316.67 and 12,138.44 is: 18,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,226.81 : 60,316.67 = 12,138.44 : x
  2. Step 2: Convert to fraction form
    40,226.81/60,316.67 = 12,138.44/x
  3. Step 3: Cross multiply
    40,226.81x = 60,316.67 × 12,138.44
  4. Step 4: Simplify right side
    40,226.81x = 732,150,008.56
  5. Step 5: Solve for x
    x = 732,150,008.56/40,226.81
  6. Step 6: Final answer
    x = 18,200.55

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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.