Home / 79,017.38-118,516.94-19,848.54

Finding the Fourth Proportional to 79,017.38, 118,516.94 and 19,848.54

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Solution

The fourth proportional to 79,017.38, 118,516.94 and 19,848.54 is: 29,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,017.38 : 118,516.94 = 19,848.54 : x
  2. Step 2: Convert to fraction form
    79,017.38/118,516.94 = 19,848.54/x
  3. Step 3: Cross multiply
    79,017.38x = 118,516.94 × 19,848.54
  4. Step 4: Simplify right side
    79,017.38x = 2,352,388,125.02
  5. Step 5: Solve for x
    x = 2,352,388,125.02/79,017.38
  6. Step 6: Final answer
    x = 29,770.52

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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.