Home / 69,050.37-103,577.78-19,130.94

Finding the Fourth Proportional to 69,050.37, 103,577.78 and 19,130.94

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Solution

The fourth proportional to 69,050.37, 103,577.78 and 19,130.94 is: 28,697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,050.37 : 103,577.78 = 19,130.94 : x
  2. Step 2: Convert to fraction form
    69,050.37/103,577.78 = 19,130.94/x
  3. Step 3: Cross multiply
    69,050.37x = 103,577.78 × 19,130.94
  4. Step 4: Simplify right side
    69,050.37x = 1,981,540,457.80
  5. Step 5: Solve for x
    x = 1,981,540,457.80/69,050.37
  6. Step 6: Final answer
    x = 28,697.03

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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.