Home / 43,379.46-65,050.83-13,789.35

Finding the Fourth Proportional to 43,379.46, 65,050.83 and 13,789.35

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Solution

The fourth proportional to 43,379.46, 65,050.83 and 13,789.35 is: 20,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,379.46 : 65,050.83 = 13,789.35 : x
  2. Step 2: Convert to fraction form
    43,379.46/65,050.83 = 13,789.35/x
  3. Step 3: Cross multiply
    43,379.46x = 65,050.83 × 13,789.35
  4. Step 4: Simplify right side
    43,379.46x = 897,008,662.66
  5. Step 5: Solve for x
    x = 897,008,662.66/43,379.46
  6. Step 6: Final answer
    x = 20,678.19

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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.