Home / 69,063.09-103,595.40-19,143.62

Finding the Fourth Proportional to 69,063.09, 103,595.40 and 19,143.62

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Solution

The fourth proportional to 69,063.09, 103,595.40 and 19,143.62 is: 28,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,063.09 : 103,595.40 = 19,143.62 : x
  2. Step 2: Convert to fraction form
    69,063.09/103,595.40 = 19,143.62/x
  3. Step 3: Cross multiply
    69,063.09x = 103,595.40 × 19,143.62
  4. Step 4: Simplify right side
    69,063.09x = 1,983,190,537.03
  5. Step 5: Solve for x
    x = 1,983,190,537.03/69,063.09
  6. Step 6: Final answer
    x = 28,715.64

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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.