Home / 30,374.13-45,564.44-12,845.73

Finding the Fourth Proportional to 30,374.13, 45,564.44 and 12,845.73

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Solution

The fourth proportional to 30,374.13, 45,564.44 and 12,845.73 is: 19,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.13 : 45,564.44 = 12,845.73 : x
  2. Step 2: Convert to fraction form
    30,374.13/45,564.44 = 12,845.73/x
  3. Step 3: Cross multiply
    30,374.13x = 45,564.44 × 12,845.73
  4. Step 4: Simplify right side
    30,374.13x = 585,308,493.84
  5. Step 5: Solve for x
    x = 585,308,493.84/30,374.13
  6. Step 6: Final answer
    x = 19,269.97

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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.