Home / 69,711.54-104,567.08-19,791.67

Finding the Fourth Proportional to 69,711.54, 104,567.08 and 19,791.67

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Solution

The fourth proportional to 69,711.54, 104,567.08 and 19,791.67 is: 29,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,711.54 : 104,567.08 = 19,791.67 : x
  2. Step 2: Convert to fraction form
    69,711.54/104,567.08 = 19,791.67/x
  3. Step 3: Cross multiply
    69,711.54x = 104,567.08 × 19,791.67
  4. Step 4: Simplify right side
    69,711.54x = 2,069,556,518.43
  5. Step 5: Solve for x
    x = 2,069,556,518.43/69,711.54
  6. Step 6: Final answer
    x = 29,687.43

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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.