Home / 43,694.64-65,439.90-40,166.28

Finding the Fourth Proportional to 43,694.64, 65,439.90 and 40,166.28

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Solution

The fourth proportional to 43,694.64, 65,439.90 and 40,166.28 is: 60,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,694.64 : 65,439.90 = 40,166.28 : x
  2. Step 2: Convert to fraction form
    43,694.64/65,439.90 = 40,166.28/x
  3. Step 3: Cross multiply
    43,694.64x = 65,439.90 × 40,166.28
  4. Step 4: Simplify right side
    43,694.64x = 2,628,477,346.57
  5. Step 5: Solve for x
    x = 2,628,477,346.57/43,694.64
  6. Step 6: Final answer
    x = 60,155.60

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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.