Home / 43,880.22-65,820.36-20,523.06

Finding the Fourth Proportional to 43,880.22, 65,820.36 and 20,523.06

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Solution

The fourth proportional to 43,880.22, 65,820.36 and 20,523.06 is: 30,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,880.22 : 65,820.36 = 20,523.06 : x
  2. Step 2: Convert to fraction form
    43,880.22/65,820.36 = 20,523.06/x
  3. Step 3: Cross multiply
    43,880.22x = 65,820.36 × 20,523.06
  4. Step 4: Simplify right side
    43,880.22x = 1,350,835,197.50
  5. Step 5: Solve for x
    x = 1,350,835,197.50/43,880.22
  6. Step 6: Final answer
    x = 30,784.60

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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.