Home / 43,825.04-65,685.65-20,112.59

Finding the Fourth Proportional to 43,825.04, 65,685.65 and 20,112.59

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Solution

The fourth proportional to 43,825.04, 65,685.65 and 20,112.59 is: 30,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,825.04 : 65,685.65 = 20,112.59 : x
  2. Step 2: Convert to fraction form
    43,825.04/65,685.65 = 20,112.59/x
  3. Step 3: Cross multiply
    43,825.04x = 65,685.65 × 20,112.59
  4. Step 4: Simplify right side
    43,825.04x = 1,321,108,610.98
  5. Step 5: Solve for x
    x = 1,321,108,610.98/43,825.04
  6. Step 6: Final answer
    x = 30,145.06

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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.