Home / 43,609.50-65,414.88-12,444.75

Finding the Fourth Proportional to 43,609.50, 65,414.88 and 12,444.75

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Solution

The fourth proportional to 43,609.50, 65,414.88 and 12,444.75 is: 18,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,609.50 : 65,414.88 = 12,444.75 : x
  2. Step 2: Convert to fraction form
    43,609.50/65,414.88 = 12,444.75/x
  3. Step 3: Cross multiply
    43,609.50x = 65,414.88 × 12,444.75
  4. Step 4: Simplify right side
    43,609.50x = 814,071,827.88
  5. Step 5: Solve for x
    x = 814,071,827.88/43,609.50
  6. Step 6: Final answer
    x = 18,667.30

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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.