Home / 71,684.18-107,504.40-19,086.83

Finding the Fourth Proportional to 71,684.18, 107,504.40 and 19,086.83

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Solution

The fourth proportional to 71,684.18, 107,504.40 and 19,086.83 is: 28,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,684.18 : 107,504.40 = 19,086.83 : x
  2. Step 2: Convert to fraction form
    71,684.18/107,504.40 = 19,086.83/x
  3. Step 3: Cross multiply
    71,684.18x = 107,504.40 × 19,086.83
  4. Step 4: Simplify right side
    71,684.18x = 2,051,918,207.05
  5. Step 5: Solve for x
    x = 2,051,918,207.05/71,684.18
  6. Step 6: Final answer
    x = 28,624.42

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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.