Home / 20,459.04-30,690.30-5,667.96

Finding the Fourth Proportional to 20,459.04, 30,690.30 and 5,667.96

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Solution

The fourth proportional to 20,459.04, 30,690.30 and 5,667.96 is: 8,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,459.04 : 30,690.30 = 5,667.96 : x
  2. Step 2: Convert to fraction form
    20,459.04/30,690.30 = 5,667.96/x
  3. Step 3: Cross multiply
    20,459.04x = 30,690.30 × 5,667.96
  4. Step 4: Simplify right side
    20,459.04x = 173,951,392.79
  5. Step 5: Solve for x
    x = 173,951,392.79/20,459.04
  6. Step 6: Final answer
    x = 8,502.42

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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.