Home / 43,918.40-65,855.20-14,317.24

Finding the Fourth Proportional to 43,918.40, 65,855.20 and 14,317.24

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Solution

The fourth proportional to 43,918.40, 65,855.20 and 14,317.24 is: 21,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,918.40 : 65,855.20 = 14,317.24 : x
  2. Step 2: Convert to fraction form
    43,918.40/65,855.20 = 14,317.24/x
  3. Step 3: Cross multiply
    43,918.40x = 65,855.20 × 14,317.24
  4. Step 4: Simplify right side
    43,918.40x = 942,864,703.65
  5. Step 5: Solve for x
    x = 942,864,703.65/43,918.40
  6. Step 6: Final answer
    x = 21,468.56

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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.