Home / 44,136.60-66,147.30-20,441.40

Finding the Fourth Proportional to 44,136.60, 66,147.30 and 20,441.40

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Solution

The fourth proportional to 44,136.60, 66,147.30 and 20,441.40 is: 30,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,136.60 : 66,147.30 = 20,441.40 : x
  2. Step 2: Convert to fraction form
    44,136.60/66,147.30 = 20,441.40/x
  3. Step 3: Cross multiply
    44,136.60x = 66,147.30 × 20,441.40
  4. Step 4: Simplify right side
    44,136.60x = 1,352,143,418.22
  5. Step 5: Solve for x
    x = 1,352,143,418.22/44,136.60
  6. Step 6: Final answer
    x = 30,635.42

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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.