Home / 43,844.60-65,742.60-18,880.40

Finding the Fourth Proportional to 43,844.60, 65,742.60 and 18,880.40

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Solution

The fourth proportional to 43,844.60, 65,742.60 and 18,880.40 is: 28,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,844.60 : 65,742.60 = 18,880.40 : x
  2. Step 2: Convert to fraction form
    43,844.60/65,742.60 = 18,880.40/x
  3. Step 3: Cross multiply
    43,844.60x = 65,742.60 × 18,880.40
  4. Step 4: Simplify right side
    43,844.60x = 1,241,246,585.04
  5. Step 5: Solve for x
    x = 1,241,246,585.04/43,844.60
  6. Step 6: Final answer
    x = 28,310.14

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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.