Home / 43,839.36-65,774.31-13,858.19

Finding the Fourth Proportional to 43,839.36, 65,774.31 and 13,858.19

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Solution

The fourth proportional to 43,839.36, 65,774.31 and 13,858.19 is: 20,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,839.36 : 65,774.31 = 13,858.19 : x
  2. Step 2: Convert to fraction form
    43,839.36/65,774.31 = 13,858.19/x
  3. Step 3: Cross multiply
    43,839.36x = 65,774.31 × 13,858.19
  4. Step 4: Simplify right side
    43,839.36x = 911,512,556.23
  5. Step 5: Solve for x
    x = 911,512,556.23/43,839.36
  6. Step 6: Final answer
    x = 20,792.10

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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.