Home / 53,431.20-80,058.96-33,660.72

Finding the Fourth Proportional to 53,431.20, 80,058.96 and 33,660.72

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Solution

The fourth proportional to 53,431.20, 80,058.96 and 33,660.72 is: 50,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431.20 : 80,058.96 = 33,660.72 : x
  2. Step 2: Convert to fraction form
    53,431.20/80,058.96 = 33,660.72/x
  3. Step 3: Cross multiply
    53,431.20x = 80,058.96 × 33,660.72
  4. Step 4: Simplify right side
    53,431.20x = 2,694,842,236.05
  5. Step 5: Solve for x
    x = 2,694,842,236.05/53,431.20
  6. Step 6: Final answer
    x = 50,435.74

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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.