Home / 43,704.06-65,558.55-12,538.50

Finding the Fourth Proportional to 43,704.06, 65,558.55 and 12,538.50

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Solution

The fourth proportional to 43,704.06, 65,558.55 and 12,538.50 is: 18,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,704.06 : 65,558.55 = 12,538.50 : x
  2. Step 2: Convert to fraction form
    43,704.06/65,558.55 = 12,538.50/x
  3. Step 3: Cross multiply
    43,704.06x = 65,558.55 × 12,538.50
  4. Step 4: Simplify right side
    43,704.06x = 822,005,879.18
  5. Step 5: Solve for x
    x = 822,005,879.18/43,704.06
  6. Step 6: Final answer
    x = 18,808.46

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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.