Home / 43,935.48-65,893.35-20,220.30

Finding the Fourth Proportional to 43,935.48, 65,893.35 and 20,220.30

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Solution

The fourth proportional to 43,935.48, 65,893.35 and 20,220.30 is: 30,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,935.48 : 65,893.35 = 20,220.30 : x
  2. Step 2: Convert to fraction form
    43,935.48/65,893.35 = 20,220.30/x
  3. Step 3: Cross multiply
    43,935.48x = 65,893.35 × 20,220.30
  4. Step 4: Simplify right side
    43,935.48x = 1,332,383,305.01
  5. Step 5: Solve for x
    x = 1,332,383,305.01/43,935.48
  6. Step 6: Final answer
    x = 30,325.91

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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.