Home / 43,909.09-65,870.04-14,319.65

Finding the Fourth Proportional to 43,909.09, 65,870.04 and 14,319.65

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Solution

The fourth proportional to 43,909.09, 65,870.04 and 14,319.65 is: 21,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,909.09 : 65,870.04 = 14,319.65 : x
  2. Step 2: Convert to fraction form
    43,909.09/65,870.04 = 14,319.65/x
  3. Step 3: Cross multiply
    43,909.09x = 65,870.04 × 14,319.65
  4. Step 4: Simplify right side
    43,909.09x = 943,235,918.29
  5. Step 5: Solve for x
    x = 943,235,918.29/43,909.09
  6. Step 6: Final answer
    x = 21,481.56

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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.