Home / 69,460.41-104,178.48-19,528.65

Finding the Fourth Proportional to 69,460.41, 104,178.48 and 19,528.65

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Solution

The fourth proportional to 69,460.41, 104,178.48 and 19,528.65 is: 29,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,460.41 : 104,178.48 = 19,528.65 : x
  2. Step 2: Convert to fraction form
    69,460.41/104,178.48 = 19,528.65/x
  3. Step 3: Cross multiply
    69,460.41x = 104,178.48 × 19,528.65
  4. Step 4: Simplify right side
    69,460.41x = 2,034,465,073.45
  5. Step 5: Solve for x
    x = 2,034,465,073.45/69,460.41
  6. Step 6: Final answer
    x = 29,289.56

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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.