Home / 43,357.46-65,017.80-13,767.38

Finding the Fourth Proportional to 43,357.46, 65,017.80 and 13,767.38

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Solution

The fourth proportional to 43,357.46, 65,017.80 and 13,767.38 is: 20,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357.46 : 65,017.80 = 13,767.38 : x
  2. Step 2: Convert to fraction form
    43,357.46/65,017.80 = 13,767.38/x
  3. Step 3: Cross multiply
    43,357.46x = 65,017.80 × 13,767.38
  4. Step 4: Simplify right side
    43,357.46x = 895,124,759.36
  5. Step 5: Solve for x
    x = 895,124,759.36/43,357.46
  6. Step 6: Final answer
    x = 20,645.23

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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.