Home / 74,511.64-111,771.06-21,921.58

Finding the Fourth Proportional to 74,511.64, 111,771.06 and 21,921.58

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Solution

The fourth proportional to 74,511.64, 111,771.06 and 21,921.58 is: 32,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,511.64 : 111,771.06 = 21,921.58 : x
  2. Step 2: Convert to fraction form
    74,511.64/111,771.06 = 21,921.58/x
  3. Step 3: Cross multiply
    74,511.64x = 111,771.06 × 21,921.58
  4. Step 4: Simplify right side
    74,511.64x = 2,450,198,233.47
  5. Step 5: Solve for x
    x = 2,450,198,233.47/74,511.64
  6. Step 6: Final answer
    x = 32,883.43

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1.5x scale

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.