Home / 43,345.26-65,020.14-13,765.41

Finding the Fourth Proportional to 43,345.26, 65,020.14 and 13,765.41

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Solution

The fourth proportional to 43,345.26, 65,020.14 and 13,765.41 is: 20,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,345.26 : 65,020.14 = 13,765.41 : x
  2. Step 2: Convert to fraction form
    43,345.26/65,020.14 = 13,765.41/x
  3. Step 3: Cross multiply
    43,345.26x = 65,020.14 × 13,765.41
  4. Step 4: Simplify right side
    43,345.26x = 895,028,885.36
  5. Step 5: Solve for x
    x = 895,028,885.36/43,345.26
  6. Step 6: Final answer
    x = 20,648.83

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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.