Home / 43,492.20-65,228.22-21,283.26

Finding the Fourth Proportional to 43,492.20, 65,228.22 and 21,283.26

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Solution

The fourth proportional to 43,492.20, 65,228.22 and 21,283.26 is: 31,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,492.20 : 65,228.22 = 21,283.26 : x
  2. Step 2: Convert to fraction form
    43,492.20/65,228.22 = 21,283.26/x
  3. Step 3: Cross multiply
    43,492.20x = 65,228.22 × 21,283.26
  4. Step 4: Simplify right side
    43,492.20x = 1,388,269,165.60
  5. Step 5: Solve for x
    x = 1,388,269,165.60/43,492.20
  6. Step 6: Final answer
    x = 31,919.96

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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.