Home / 49,254.40-73,881.60-19,676.80

Finding the Fourth Proportional to 49,254.40, 73,881.60 and 19,676.80

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Solution

The fourth proportional to 49,254.40, 73,881.60 and 19,676.80 is: 29,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,254.40 : 73,881.60 = 19,676.80 : x
  2. Step 2: Convert to fraction form
    49,254.40/73,881.60 = 19,676.80/x
  3. Step 3: Cross multiply
    49,254.40x = 73,881.60 × 19,676.80
  4. Step 4: Simplify right side
    49,254.40x = 1,453,753,466.88
  5. Step 5: Solve for x
    x = 1,453,753,466.88/49,254.40
  6. Step 6: Final answer
    x = 29,515.20

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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.