Home / 45,576.32-68,340.78-20,604.42

Finding the Fourth Proportional to 45,576.32, 68,340.78 and 20,604.42

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Solution

The fourth proportional to 45,576.32, 68,340.78 and 20,604.42 is: 30,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,576.32 : 68,340.78 = 20,604.42 : x
  2. Step 2: Convert to fraction form
    45,576.32/68,340.78 = 20,604.42/x
  3. Step 3: Cross multiply
    45,576.32x = 68,340.78 × 20,604.42
  4. Step 4: Simplify right side
    45,576.32x = 1,408,122,134.25
  5. Step 5: Solve for x
    x = 1,408,122,134.25/45,576.32
  6. Step 6: Final answer
    x = 30,895.92

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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.