Home / 49,679.88-74,520.36-14,620.20

Finding the Fourth Proportional to 49,679.88, 74,520.36 and 14,620.20

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Solution

The fourth proportional to 49,679.88, 74,520.36 and 14,620.20 is: 21,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,679.88 : 74,520.36 = 14,620.20 : x
  2. Step 2: Convert to fraction form
    49,679.88/74,520.36 = 14,620.20/x
  3. Step 3: Cross multiply
    49,679.88x = 74,520.36 × 14,620.20
  4. Step 4: Simplify right side
    49,679.88x = 1,089,502,567.27
  5. Step 5: Solve for x
    x = 1,089,502,567.27/49,679.88
  6. Step 6: Final answer
    x = 21,930.46

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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.