Home / 43,419.42-65,119.28-12,257.10

Finding the Fourth Proportional to 43,419.42, 65,119.28 and 12,257.10

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Solution

The fourth proportional to 43,419.42, 65,119.28 and 12,257.10 is: 18,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,419.42 : 65,119.28 = 12,257.10 : x
  2. Step 2: Convert to fraction form
    43,419.42/65,119.28 = 12,257.10/x
  3. Step 3: Cross multiply
    43,419.42x = 65,119.28 × 12,257.10
  4. Step 4: Simplify right side
    43,419.42x = 798,173,465.60
  5. Step 5: Solve for x
    x = 798,173,465.60/43,419.42
  6. Step 6: Final answer
    x = 18,382.87

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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.