Home / 69,021.70-103,534.85-19,097.62

Finding the Fourth Proportional to 69,021.70, 103,534.85 and 19,097.62

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Solution

The fourth proportional to 69,021.70, 103,534.85 and 19,097.62 is: 28,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,021.70 : 103,534.85 = 19,097.62 : x
  2. Step 2: Convert to fraction form
    69,021.70/103,534.85 = 19,097.62/x
  3. Step 3: Cross multiply
    69,021.70x = 103,534.85 × 19,097.62
  4. Step 4: Simplify right side
    69,021.70x = 1,977,269,222.06
  5. Step 5: Solve for x
    x = 1,977,269,222.06/69,021.70
  6. Step 6: Final answer
    x = 28,647.07

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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.