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Finding the Fourth Proportional to 43,978.76, 60,690.45 and 23,835.43

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Solution

The fourth proportional to 43,978.76, 60,690.45 and 23,835.43 is: 32,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,978.76 : 60,690.45 = 23,835.43 : x
  2. Step 2: Convert to fraction form
    43,978.76/60,690.45 = 23,835.43/x
  3. Step 3: Cross multiply
    43,978.76x = 60,690.45 × 23,835.43
  4. Step 4: Simplify right side
    43,978.76x = 1,446,582,550.01
  5. Step 5: Solve for x
    x = 1,446,582,550.01/43,978.76
  6. Step 6: Final answer
    x = 32,892.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.