Home / 45,582.40-68,383.20-19,273.60

Finding the Fourth Proportional to 45,582.40, 68,383.20 and 19,273.60

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Solution

The fourth proportional to 45,582.40, 68,383.20 and 19,273.60 is: 28,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,582.40 : 68,383.20 = 19,273.60 : x
  2. Step 2: Convert to fraction form
    45,582.40/68,383.20 = 19,273.60/x
  3. Step 3: Cross multiply
    45,582.40x = 68,383.20 × 19,273.60
  4. Step 4: Simplify right side
    45,582.40x = 1,317,990,443.52
  5. Step 5: Solve for x
    x = 1,317,990,443.52/45,582.40
  6. Step 6: Final answer
    x = 28,914.46

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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.