Home / 44,446.20-66,636.90-18,137.40

Finding the Fourth Proportional to 44,446.20, 66,636.90 and 18,137.40

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Solution

The fourth proportional to 44,446.20, 66,636.90 and 18,137.40 is: 27,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,446.20 : 66,636.90 = 18,137.40 : x
  2. Step 2: Convert to fraction form
    44,446.20/66,636.90 = 18,137.40/x
  3. Step 3: Cross multiply
    44,446.20x = 66,636.90 × 18,137.40
  4. Step 4: Simplify right side
    44,446.20x = 1,208,620,110.06
  5. Step 5: Solve for x
    x = 1,208,620,110.06/44,446.20
  6. Step 6: Final answer
    x = 27,192.88

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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.