Home / 43,900.53-65,865.58-13,919.66

Finding the Fourth Proportional to 43,900.53, 65,865.58 and 13,919.66

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Solution

The fourth proportional to 43,900.53, 65,865.58 and 13,919.66 is: 20,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,900.53 : 65,865.58 = 13,919.66 : x
  2. Step 2: Convert to fraction form
    43,900.53/65,865.58 = 13,919.66/x
  3. Step 3: Cross multiply
    43,900.53x = 65,865.58 × 13,919.66
  4. Step 4: Simplify right side
    43,900.53x = 916,826,479.30
  5. Step 5: Solve for x
    x = 916,826,479.30/43,900.53
  6. Step 6: Final answer
    x = 20,884.18

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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.