Home / 30,576.45-45,760.99-18,273.09

Finding the Fourth Proportional to 30,576.45, 45,760.99 and 18,273.09

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Solution

The fourth proportional to 30,576.45, 45,760.99 and 18,273.09 is: 27,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576.45 : 45,760.99 = 18,273.09 : x
  2. Step 2: Convert to fraction form
    30,576.45/45,760.99 = 18,273.09/x
  3. Step 3: Cross multiply
    30,576.45x = 45,760.99 × 18,273.09
  4. Step 4: Simplify right side
    30,576.45x = 836,194,688.76
  5. Step 5: Solve for x
    x = 836,194,688.76/30,576.45
  6. Step 6: Final answer
    x = 27,347.67

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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.