Home / 74,480.80-111,723.90-21,895.60

Finding the Fourth Proportional to 74,480.80, 111,723.90 and 21,895.60

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Solution

The fourth proportional to 74,480.80, 111,723.90 and 21,895.60 is: 32,844.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,480.80 : 111,723.90 = 21,895.60 : x
  2. Step 2: Convert to fraction form
    74,480.80/111,723.90 = 21,895.60/x
  3. Step 3: Cross multiply
    74,480.80x = 111,723.90 × 21,895.60
  4. Step 4: Simplify right side
    74,480.80x = 2,446,261,824.84
  5. Step 5: Solve for x
    x = 2,446,261,824.84/74,480.80
  6. Step 6: Final answer
    x = 32,844.19

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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.