Home / 43,853.60-65,790.22-20,467.28

Finding the Fourth Proportional to 43,853.60, 65,790.22 and 20,467.28

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Solution

The fourth proportional to 43,853.60, 65,790.22 and 20,467.28 is: 30,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,853.60 : 65,790.22 = 20,467.28 : x
  2. Step 2: Convert to fraction form
    43,853.60/65,790.22 = 20,467.28/x
  3. Step 3: Cross multiply
    43,853.60x = 65,790.22 × 20,467.28
  4. Step 4: Simplify right side
    43,853.60x = 1,346,546,854.00
  5. Step 5: Solve for x
    x = 1,346,546,854.00/43,853.60
  6. Step 6: Final answer
    x = 30,705.50

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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.