Home / 43,458.99-65,217.70-15,378.93

Finding the Fourth Proportional to 43,458.99, 65,217.70 and 15,378.93

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Solution

The fourth proportional to 43,458.99, 65,217.70 and 15,378.93 is: 23,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.99 : 65,217.70 = 15,378.93 : x
  2. Step 2: Convert to fraction form
    43,458.99/65,217.70 = 15,378.93/x
  3. Step 3: Cross multiply
    43,458.99x = 65,217.70 × 15,378.93
  4. Step 4: Simplify right side
    43,458.99x = 1,002,978,443.06
  5. Step 5: Solve for x
    x = 1,002,978,443.06/43,458.99
  6. Step 6: Final answer
    x = 23,078.73

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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.