Home / 32,976.96-45,504-18,826.08

Finding the Fourth Proportional to 32,976.96, 45,504 and 18,826.08

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Solution

The fourth proportional to 32,976.96, 45,504 and 18,826.08 is: 25,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,976.96 : 45,504 = 18,826.08 : x
  2. Step 2: Convert to fraction form
    32,976.96/45,504 = 18,826.08/x
  3. Step 3: Cross multiply
    32,976.96x = 45,504 × 18,826.08
  4. Step 4: Simplify right side
    32,976.96x = 856,661,944.32
  5. Step 5: Solve for x
    x = 856,661,944.32/32,976.96
  6. Step 6: Final answer
    x = 25,977.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.