Home / 69,850.04-104,778.93-19,926.29

Finding the Fourth Proportional to 69,850.04, 104,778.93 and 19,926.29

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Solution

The fourth proportional to 69,850.04, 104,778.93 and 19,926.29 is: 29,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,850.04 : 104,778.93 = 19,926.29 : x
  2. Step 2: Convert to fraction form
    69,850.04/104,778.93 = 19,926.29/x
  3. Step 3: Cross multiply
    69,850.04x = 104,778.93 × 19,926.29
  4. Step 4: Simplify right side
    69,850.04x = 2,087,854,821.18
  5. Step 5: Solve for x
    x = 2,087,854,821.18/69,850.04
  6. Step 6: Final answer
    x = 29,890.53

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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.