Home / 43,781.58-65,669.94-38,907

Finding the Fourth Proportional to 43,781.58, 65,669.94 and 38,907

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Solution

The fourth proportional to 43,781.58, 65,669.94 and 38,907 is: 58,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,781.58 : 65,669.94 = 38,907 : x
  2. Step 2: Convert to fraction form
    43,781.58/65,669.94 = 38,907/x
  3. Step 3: Cross multiply
    43,781.58x = 65,669.94 × 38,907
  4. Step 4: Simplify right side
    43,781.58x = 2,555,020,355.58
  5. Step 5: Solve for x
    x = 2,555,020,355.58/43,781.58
  6. Step 6: Final answer
    x = 58,358.34

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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.