Home / 43,999.22-66,002.70-12,409.52

Finding the Fourth Proportional to 43,999.22, 66,002.70 and 12,409.52

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Solution

The fourth proportional to 43,999.22, 66,002.70 and 12,409.52 is: 18,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,999.22 : 66,002.70 = 12,409.52 : x
  2. Step 2: Convert to fraction form
    43,999.22/66,002.70 = 12,409.52/x
  3. Step 3: Cross multiply
    43,999.22x = 66,002.70 × 12,409.52
  4. Step 4: Simplify right side
    43,999.22x = 819,061,495.69
  5. Step 5: Solve for x
    x = 819,061,495.69/43,999.22
  6. Step 6: Final answer
    x = 18,615.37

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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.