Home / 69,012.28-103,501.95-19,091.31

Finding the Fourth Proportional to 69,012.28, 103,501.95 and 19,091.31

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Solution

The fourth proportional to 69,012.28, 103,501.95 and 19,091.31 is: 28,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,012.28 : 103,501.95 = 19,091.31 : x
  2. Step 2: Convert to fraction form
    69,012.28/103,501.95 = 19,091.31/x
  3. Step 3: Cross multiply
    69,012.28x = 103,501.95 × 19,091.31
  4. Step 4: Simplify right side
    69,012.28x = 1,975,987,813.05
  5. Step 5: Solve for x
    x = 1,975,987,813.05/69,012.28
  6. Step 6: Final answer
    x = 28,632.41

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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.