Home / 43,262.03-64,892.63-13,679.89

Finding the Fourth Proportional to 43,262.03, 64,892.63 and 13,679.89

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Solution

The fourth proportional to 43,262.03, 64,892.63 and 13,679.89 is: 20,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,262.03 : 64,892.63 = 13,679.89 : x
  2. Step 2: Convert to fraction form
    43,262.03/64,892.63 = 13,679.89/x
  3. Step 3: Cross multiply
    43,262.03x = 64,892.63 × 13,679.89
  4. Step 4: Simplify right side
    43,262.03x = 887,723,912.18
  5. Step 5: Solve for x
    x = 887,723,912.18/43,262.03
  6. Step 6: Final answer
    x = 20,519.70

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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.