Home / 43,486.23-65,247.92-18,538.03

Finding the Fourth Proportional to 43,486.23, 65,247.92 and 18,538.03

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Solution

The fourth proportional to 43,486.23, 65,247.92 and 18,538.03 is: 27,814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.23 : 65,247.92 = 18,538.03 : x
  2. Step 2: Convert to fraction form
    43,486.23/65,247.92 = 18,538.03/x
  3. Step 3: Cross multiply
    43,486.23x = 65,247.92 × 18,538.03
  4. Step 4: Simplify right side
    43,486.23x = 1,209,567,642.59
  5. Step 5: Solve for x
    x = 1,209,567,642.59/43,486.23
  6. Step 6: Final answer
    x = 27,814.96

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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.