Home / 43,622.45-65,431.08-15,541.02

Finding the Fourth Proportional to 43,622.45, 65,431.08 and 15,541.02

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Solution

The fourth proportional to 43,622.45, 65,431.08 and 15,541.02 is: 23,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,622.45 : 65,431.08 = 15,541.02 : x
  2. Step 2: Convert to fraction form
    43,622.45/65,431.08 = 15,541.02/x
  3. Step 3: Cross multiply
    43,622.45x = 65,431.08 × 15,541.02
  4. Step 4: Simplify right side
    43,622.45x = 1,016,865,456.24
  5. Step 5: Solve for x
    x = 1,016,865,456.24/43,622.45
  6. Step 6: Final answer
    x = 23,310.60

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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.