Home / 43,345.96-65,012.30-13,759.96

Finding the Fourth Proportional to 43,345.96, 65,012.30 and 13,759.96

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Solution

The fourth proportional to 43,345.96, 65,012.30 and 13,759.96 is: 20,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,345.96 : 65,012.30 = 13,759.96 : x
  2. Step 2: Convert to fraction form
    43,345.96/65,012.30 = 13,759.96/x
  3. Step 3: Cross multiply
    43,345.96x = 65,012.30 × 13,759.96
  4. Step 4: Simplify right side
    43,345.96x = 894,566,647.51
  5. Step 5: Solve for x
    x = 894,566,647.51/43,345.96
  6. Step 6: Final answer
    x = 20,637.83

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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.