Home / 30,544.20-45,794.70-13,912.20

Finding the Fourth Proportional to 30,544.20, 45,794.70 and 13,912.20

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Solution

The fourth proportional to 30,544.20, 45,794.70 and 13,912.20 is: 20,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,544.20 : 45,794.70 = 13,912.20 : x
  2. Step 2: Convert to fraction form
    30,544.20/45,794.70 = 13,912.20/x
  3. Step 3: Cross multiply
    30,544.20x = 45,794.70 × 13,912.20
  4. Step 4: Simplify right side
    30,544.20x = 637,105,025.34
  5. Step 5: Solve for x
    x = 637,105,025.34/30,544.20
  6. Step 6: Final answer
    x = 20,858.46

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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.