Home / 43,981.20-65,874.60-23,180.40

Finding the Fourth Proportional to 43,981.20, 65,874.60 and 23,180.40

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Solution

The fourth proportional to 43,981.20, 65,874.60 and 23,180.40 is: 34,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,981.20 : 65,874.60 = 23,180.40 : x
  2. Step 2: Convert to fraction form
    43,981.20/65,874.60 = 23,180.40/x
  3. Step 3: Cross multiply
    43,981.20x = 65,874.60 × 23,180.40
  4. Step 4: Simplify right side
    43,981.20x = 1,526,999,577.84
  5. Step 5: Solve for x
    x = 1,526,999,577.84/43,981.20
  6. Step 6: Final answer
    x = 34,719.37

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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.