Home / 43,785.12-65,647.66-15,704.58

Finding the Fourth Proportional to 43,785.12, 65,647.66 and 15,704.58

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Solution

The fourth proportional to 43,785.12, 65,647.66 and 15,704.58 is: 23,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,785.12 : 65,647.66 = 15,704.58 : x
  2. Step 2: Convert to fraction form
    43,785.12/65,647.66 = 15,704.58/x
  3. Step 3: Cross multiply
    43,785.12x = 65,647.66 × 15,704.58
  4. Step 4: Simplify right side
    43,785.12x = 1,030,968,928.28
  5. Step 5: Solve for x
    x = 1,030,968,928.28/43,785.12
  6. Step 6: Final answer
    x = 23,546.10

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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.