Home / 43,738.80-65,618.62-14,156.64

Finding the Fourth Proportional to 43,738.80, 65,618.62 and 14,156.64

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Solution

The fourth proportional to 43,738.80, 65,618.62 and 14,156.64 is: 21,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,738.80 : 65,618.62 = 14,156.64 : x
  2. Step 2: Convert to fraction form
    43,738.80/65,618.62 = 14,156.64/x
  3. Step 3: Cross multiply
    43,738.80x = 65,618.62 × 14,156.64
  4. Step 4: Simplify right side
    43,738.80x = 928,939,109.85
  5. Step 5: Solve for x
    x = 928,939,109.85/43,738.80
  6. Step 6: Final answer
    x = 21,238.33

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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.