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Finding the Fourth Proportional to 43,465.60, 65,114.56 and 25,949.44

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Solution

The fourth proportional to 43,465.60, 65,114.56 and 25,949.44 is: 38,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,465.60 : 65,114.56 = 25,949.44 : x
  2. Step 2: Convert to fraction form
    43,465.60/65,114.56 = 25,949.44/x
  3. Step 3: Cross multiply
    43,465.60x = 65,114.56 × 25,949.44
  4. Step 4: Simplify right side
    43,465.60x = 1,689,686,367.85
  5. Step 5: Solve for x
    x = 1,689,686,367.85/43,465.60
  6. Step 6: Final answer
    x = 38,874.11

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1.5x scale

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.