Home / 43,379.19-65,067.57-13,798.80

Finding the Fourth Proportional to 43,379.19, 65,067.57 and 13,798.80

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Solution

The fourth proportional to 43,379.19, 65,067.57 and 13,798.80 is: 20,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,379.19 : 65,067.57 = 13,798.80 : x
  2. Step 2: Convert to fraction form
    43,379.19/65,067.57 = 13,798.80/x
  3. Step 3: Cross multiply
    43,379.19x = 65,067.57 × 13,798.80
  4. Step 4: Simplify right side
    43,379.19x = 897,854,384.92
  5. Step 5: Solve for x
    x = 897,854,384.92/43,379.19
  6. Step 6: Final answer
    x = 20,697.81

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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.