Home / 43,441.20-65,052.45-28,569.60

Finding the Fourth Proportional to 43,441.20, 65,052.45 and 28,569.60

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Solution

The fourth proportional to 43,441.20, 65,052.45 and 28,569.60 is: 42,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,441.20 : 65,052.45 = 28,569.60 : x
  2. Step 2: Convert to fraction form
    43,441.20/65,052.45 = 28,569.60/x
  3. Step 3: Cross multiply
    43,441.20x = 65,052.45 × 28,569.60
  4. Step 4: Simplify right side
    43,441.20x = 1,858,522,475.52
  5. Step 5: Solve for x
    x = 1,858,522,475.52/43,441.20
  6. Step 6: Final answer
    x = 42,782.48

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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.