Home / 40,007.67-60,011.46-12,305.67

Finding the Fourth Proportional to 40,007.67, 60,011.46 and 12,305.67

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Solution

The fourth proportional to 40,007.67, 60,011.46 and 12,305.67 is: 18,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.67 : 60,011.46 = 12,305.67 : x
  2. Step 2: Convert to fraction form
    40,007.67/60,011.46 = 12,305.67/x
  3. Step 3: Cross multiply
    40,007.67x = 60,011.46 × 12,305.67
  4. Step 4: Simplify right side
    40,007.67x = 738,481,222.98
  5. Step 5: Solve for x
    x = 738,481,222.98/40,007.67
  6. Step 6: Final answer
    x = 18,458.49

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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.