Home / 43,738.83-65,607.81-20,039.65

Finding the Fourth Proportional to 43,738.83, 65,607.81 and 20,039.65

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Solution

The fourth proportional to 43,738.83, 65,607.81 and 20,039.65 is: 30,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,738.83 : 65,607.81 = 20,039.65 : x
  2. Step 2: Convert to fraction form
    43,738.83/65,607.81 = 20,039.65/x
  3. Step 3: Cross multiply
    43,738.83x = 65,607.81 × 20,039.65
  4. Step 4: Simplify right side
    43,738.83x = 1,314,757,549.67
  5. Step 5: Solve for x
    x = 1,314,757,549.67/43,738.83
  6. Step 6: Final answer
    x = 30,059.28

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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.