Home / 43,573.29-65,362.34-12,406.11

Finding the Fourth Proportional to 43,573.29, 65,362.34 and 12,406.11

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Solution

The fourth proportional to 43,573.29, 65,362.34 and 12,406.11 is: 18,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,573.29 : 65,362.34 = 12,406.11 : x
  2. Step 2: Convert to fraction form
    43,573.29/65,362.34 = 12,406.11/x
  3. Step 3: Cross multiply
    43,573.29x = 65,362.34 × 12,406.11
  4. Step 4: Simplify right side
    43,573.29x = 810,892,379.90
  5. Step 5: Solve for x
    x = 810,892,379.90/43,573.29
  6. Step 6: Final answer
    x = 18,609.85

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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.