Home / 43,378.03-65,076.90-13,797.64

Finding the Fourth Proportional to 43,378.03, 65,076.90 and 13,797.64

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Solution

The fourth proportional to 43,378.03, 65,076.90 and 13,797.64 is: 20,699.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,378.03 : 65,076.90 = 13,797.64 : x
  2. Step 2: Convert to fraction form
    43,378.03/65,076.90 = 13,797.64/x
  3. Step 3: Cross multiply
    43,378.03x = 65,076.90 × 13,797.64
  4. Step 4: Simplify right side
    43,378.03x = 897,907,638.52
  5. Step 5: Solve for x
    x = 897,907,638.52/43,378.03
  6. Step 6: Final answer
    x = 20,699.59

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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.