Home / 43,720.74-65,584.71-14,143.32

Finding the Fourth Proportional to 43,720.74, 65,584.71 and 14,143.32

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Solution

The fourth proportional to 43,720.74, 65,584.71 and 14,143.32 is: 21,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720.74 : 65,584.71 = 14,143.32 : x
  2. Step 2: Convert to fraction form
    43,720.74/65,584.71 = 14,143.32/x
  3. Step 3: Cross multiply
    43,720.74x = 65,584.71 × 14,143.32
  4. Step 4: Simplify right side
    43,720.74x = 927,585,540.64
  5. Step 5: Solve for x
    x = 927,585,540.64/43,720.74
  6. Step 6: Final answer
    x = 21,216.14

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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.