Home / 43,427.43-65,091.74-18,451.89

Finding the Fourth Proportional to 43,427.43, 65,091.74 and 18,451.89

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Solution

The fourth proportional to 43,427.43, 65,091.74 and 18,451.89 is: 27,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,427.43 : 65,091.74 = 18,451.89 : x
  2. Step 2: Convert to fraction form
    43,427.43/65,091.74 = 18,451.89/x
  3. Step 3: Cross multiply
    43,427.43x = 65,091.74 × 18,451.89
  4. Step 4: Simplify right side
    43,427.43x = 1,201,065,534.13
  5. Step 5: Solve for x
    x = 1,201,065,534.13/43,427.43
  6. Step 6: Final answer
    x = 27,656.84

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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.