Home / 74,506.26-111,775.05-21,911.34

Finding the Fourth Proportional to 74,506.26, 111,775.05 and 21,911.34

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Solution

The fourth proportional to 74,506.26, 111,775.05 and 21,911.34 is: 32,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,506.26 : 111,775.05 = 21,911.34 : x
  2. Step 2: Convert to fraction form
    74,506.26/111,775.05 = 21,911.34/x
  3. Step 3: Cross multiply
    74,506.26x = 111,775.05 × 21,911.34
  4. Step 4: Simplify right side
    74,506.26x = 2,449,141,124.07
  5. Step 5: Solve for x
    x = 2,449,141,124.07/74,506.26
  6. Step 6: Final answer
    x = 32,871.62

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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.