Home / 43,540.96-65,310.06-12,376.18

Finding the Fourth Proportional to 43,540.96, 65,310.06 and 12,376.18

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Solution

The fourth proportional to 43,540.96, 65,310.06 and 12,376.18 is: 18,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,540.96 : 65,310.06 = 12,376.18 : x
  2. Step 2: Convert to fraction form
    43,540.96/65,310.06 = 12,376.18/x
  3. Step 3: Cross multiply
    43,540.96x = 65,310.06 × 12,376.18
  4. Step 4: Simplify right side
    43,540.96x = 808,289,058.37
  5. Step 5: Solve for x
    x = 808,289,058.37/43,540.96
  6. Step 6: Final answer
    x = 18,563.88

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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.