Home / 71,180.44-106,788.51-21,260.34

Finding the Fourth Proportional to 71,180.44, 106,788.51 and 21,260.34

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Solution

The fourth proportional to 71,180.44, 106,788.51 and 21,260.34 is: 31,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,180.44 : 106,788.51 = 21,260.34 : x
  2. Step 2: Convert to fraction form
    71,180.44/106,788.51 = 21,260.34/x
  3. Step 3: Cross multiply
    71,180.44x = 106,788.51 × 21,260.34
  4. Step 4: Simplify right side
    71,180.44x = 2,270,360,030.69
  5. Step 5: Solve for x
    x = 2,270,360,030.69/71,180.44
  6. Step 6: Final answer
    x = 31,895.84

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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.