Home / 45,930.76-68,911.52-17,851.75

Finding the Fourth Proportional to 45,930.76, 68,911.52 and 17,851.75

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Solution

The fourth proportional to 45,930.76, 68,911.52 and 17,851.75 is: 26,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,930.76 : 68,911.52 = 17,851.75 : x
  2. Step 2: Convert to fraction form
    45,930.76/68,911.52 = 17,851.75/x
  3. Step 3: Cross multiply
    45,930.76x = 68,911.52 × 17,851.75
  4. Step 4: Simplify right side
    45,930.76x = 1,230,190,965.62
  5. Step 5: Solve for x
    x = 1,230,190,965.62/45,930.76
  6. Step 6: Final answer
    x = 26,783.60

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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.