Home / 43,745.42-65,619.57-14,163.50

Finding the Fourth Proportional to 43,745.42, 65,619.57 and 14,163.50

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Solution

The fourth proportional to 43,745.42, 65,619.57 and 14,163.50 is: 21,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,745.42 : 65,619.57 = 14,163.50 : x
  2. Step 2: Convert to fraction form
    43,745.42/65,619.57 = 14,163.50/x
  3. Step 3: Cross multiply
    43,745.42x = 65,619.57 × 14,163.50
  4. Step 4: Simplify right side
    43,745.42x = 929,402,779.70
  5. Step 5: Solve for x
    x = 929,402,779.70/43,745.42
  6. Step 6: Final answer
    x = 21,245.72

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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.