Home / 69,854.99-104,785.98-19,942.49

Finding the Fourth Proportional to 69,854.99, 104,785.98 and 19,942.49

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Solution

The fourth proportional to 69,854.99, 104,785.98 and 19,942.49 is: 29,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,854.99 : 104,785.98 = 19,942.49 : x
  2. Step 2: Convert to fraction form
    69,854.99/104,785.98 = 19,942.49/x
  3. Step 3: Cross multiply
    69,854.99x = 104,785.98 × 19,942.49
  4. Step 4: Simplify right side
    69,854.99x = 2,089,692,834.36
  5. Step 5: Solve for x
    x = 2,089,692,834.36/69,854.99
  6. Step 6: Final answer
    x = 29,914.73

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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.