Home / 40,072.68-60,112.62-13,777.62

Finding the Fourth Proportional to 40,072.68, 60,112.62 and 13,777.62

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Solution

The fourth proportional to 40,072.68, 60,112.62 and 13,777.62 is: 20,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072.68 : 60,112.62 = 13,777.62 : x
  2. Step 2: Convert to fraction form
    40,072.68/60,112.62 = 13,777.62/x
  3. Step 3: Cross multiply
    40,072.68x = 60,112.62 × 13,777.62
  4. Step 4: Simplify right side
    40,072.68x = 828,208,835.56
  5. Step 5: Solve for x
    x = 828,208,835.56/40,072.68
  6. Step 6: Final answer
    x = 20,667.67

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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.