Home / 40,181.62-60,271.63-12,479.54

Finding the Fourth Proportional to 40,181.62, 60,271.63 and 12,479.54

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Solution

The fourth proportional to 40,181.62, 60,271.63 and 12,479.54 is: 18,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,181.62 : 60,271.63 = 12,479.54 : x
  2. Step 2: Convert to fraction form
    40,181.62/60,271.63 = 12,479.54/x
  3. Step 3: Cross multiply
    40,181.62x = 60,271.63 × 12,479.54
  4. Step 4: Simplify right side
    40,181.62x = 752,162,217.45
  5. Step 5: Solve for x
    x = 752,162,217.45/40,181.62
  6. Step 6: Final answer
    x = 18,719.06

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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.