Home / 43,954.12-65,887.08-21,783.60

Finding the Fourth Proportional to 43,954.12, 65,887.08 and 21,783.60

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Solution

The fourth proportional to 43,954.12, 65,887.08 and 21,783.60 is: 32,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,954.12 : 65,887.08 = 21,783.60 : x
  2. Step 2: Convert to fraction form
    43,954.12/65,887.08 = 21,783.60/x
  3. Step 3: Cross multiply
    43,954.12x = 65,887.08 × 21,783.60
  4. Step 4: Simplify right side
    43,954.12x = 1,435,257,795.89
  5. Step 5: Solve for x
    x = 1,435,257,795.89/43,954.12
  6. Step 6: Final answer
    x = 32,653.54

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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.