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Finding the Fourth Proportional to 43,383.20, 65,111.65 and 30,933.70

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Solution

The fourth proportional to 43,383.20, 65,111.65 and 30,933.70 is: 46,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,383.20 : 65,111.65 = 30,933.70 : x
  2. Step 2: Convert to fraction form
    43,383.20/65,111.65 = 30,933.70/x
  3. Step 3: Cross multiply
    43,383.20x = 65,111.65 × 30,933.70
  4. Step 4: Simplify right side
    43,383.20x = 2,014,144,007.49
  5. Step 5: Solve for x
    x = 2,014,144,007.49/43,383.20
  6. Step 6: Final answer
    x = 46,426.83

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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.