Home / 43,972.36-65,976.96-18,999.56

Finding the Fourth Proportional to 43,972.36, 65,976.96 and 18,999.56

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Solution

The fourth proportional to 43,972.36, 65,976.96 and 18,999.56 is: 28,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,972.36 : 65,976.96 = 18,999.56 : x
  2. Step 2: Convert to fraction form
    43,972.36/65,976.96 = 18,999.56/x
  3. Step 3: Cross multiply
    43,972.36x = 65,976.96 × 18,999.56
  4. Step 4: Simplify right side
    43,972.36x = 1,253,533,210.14
  5. Step 5: Solve for x
    x = 1,253,533,210.14/43,972.36
  6. Step 6: Final answer
    x = 28,507.30

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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.