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Finding the Fourth Proportional to 43,351.60, 65,036.46 and 24,640.28

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Solution

The fourth proportional to 43,351.60, 65,036.46 and 24,640.28 is: 36,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,351.60 : 65,036.46 = 24,640.28 : x
  2. Step 2: Convert to fraction form
    43,351.60/65,036.46 = 24,640.28/x
  3. Step 3: Cross multiply
    43,351.60x = 65,036.46 × 24,640.28
  4. Step 4: Simplify right side
    43,351.60x = 1,602,516,584.61
  5. Step 5: Solve for x
    x = 1,602,516,584.61/43,351.60
  6. Step 6: Final answer
    x = 36,965.57

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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.