Home / 43,670.89-65,514.48-14,085.64

Finding the Fourth Proportional to 43,670.89, 65,514.48 and 14,085.64

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Solution

The fourth proportional to 43,670.89, 65,514.48 and 14,085.64 is: 21,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,670.89 : 65,514.48 = 14,085.64 : x
  2. Step 2: Convert to fraction form
    43,670.89/65,514.48 = 14,085.64/x
  3. Step 3: Cross multiply
    43,670.89x = 65,514.48 × 14,085.64
  4. Step 4: Simplify right side
    43,670.89x = 922,813,380.07
  5. Step 5: Solve for x
    x = 922,813,380.07/43,670.89
  6. Step 6: Final answer
    x = 21,131.09

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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.