Home / 43,853.58-65,783.79-15,777.30

Finding the Fourth Proportional to 43,853.58, 65,783.79 and 15,777.30

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Solution

The fourth proportional to 43,853.58, 65,783.79 and 15,777.30 is: 23,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,853.58 : 65,783.79 = 15,777.30 : x
  2. Step 2: Convert to fraction form
    43,853.58/65,783.79 = 15,777.30/x
  3. Step 3: Cross multiply
    43,853.58x = 65,783.79 × 15,777.30
  4. Step 4: Simplify right side
    43,853.58x = 1,037,890,589.97
  5. Step 5: Solve for x
    x = 1,037,890,589.97/43,853.58
  6. Step 6: Final answer
    x = 23,667.18

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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.