Home / 69,962.03-104,912.08-20,030.75

Finding the Fourth Proportional to 69,962.03, 104,912.08 and 20,030.75

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Solution

The fourth proportional to 69,962.03, 104,912.08 and 20,030.75 is: 30,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,962.03 : 104,912.08 = 20,030.75 : x
  2. Step 2: Convert to fraction form
    69,962.03/104,912.08 = 20,030.75/x
  3. Step 3: Cross multiply
    69,962.03x = 104,912.08 × 20,030.75
  4. Step 4: Simplify right side
    69,962.03x = 2,101,467,646.46
  5. Step 5: Solve for x
    x = 2,101,467,646.46/69,962.03
  6. Step 6: Final answer
    x = 30,037.26

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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.