Home / 43,679.05-65,504.70-18,712.42

Finding the Fourth Proportional to 43,679.05, 65,504.70 and 18,712.42

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Solution

The fourth proportional to 43,679.05, 65,504.70 and 18,712.42 is: 28,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,679.05 : 65,504.70 = 18,712.42 : x
  2. Step 2: Convert to fraction form
    43,679.05/65,504.70 = 18,712.42/x
  3. Step 3: Cross multiply
    43,679.05x = 65,504.70 × 18,712.42
  4. Step 4: Simplify right side
    43,679.05x = 1,225,751,294.61
  5. Step 5: Solve for x
    x = 1,225,751,294.61/43,679.05
  6. Step 6: Final answer
    x = 28,062.68

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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.