Home / 45,290.34-67,930.65-27,729.54

Finding the Fourth Proportional to 45,290.34, 67,930.65 and 27,729.54

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Solution

The fourth proportional to 45,290.34, 67,930.65 and 27,729.54 is: 41,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,290.34 : 67,930.65 = 27,729.54 : x
  2. Step 2: Convert to fraction form
    45,290.34/67,930.65 = 27,729.54/x
  3. Step 3: Cross multiply
    45,290.34x = 67,930.65 × 27,729.54
  4. Step 4: Simplify right side
    45,290.34x = 1,883,685,676.40
  5. Step 5: Solve for x
    x = 1,883,685,676.40/45,290.34
  6. Step 6: Final answer
    x = 41,591.33

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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.