Home / 71,261.33-106,861.91-21,348.51

Finding the Fourth Proportional to 71,261.33, 106,861.91 and 21,348.51

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Solution

The fourth proportional to 71,261.33, 106,861.91 and 21,348.51 is: 32,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,261.33 : 106,861.91 = 21,348.51 : x
  2. Step 2: Convert to fraction form
    71,261.33/106,861.91 = 21,348.51/x
  3. Step 3: Cross multiply
    71,261.33x = 106,861.91 × 21,348.51
  4. Step 4: Simplify right side
    71,261.33x = 2,281,342,447.51
  5. Step 5: Solve for x
    x = 2,281,342,447.51/71,261.33
  6. Step 6: Final answer
    x = 32,013.75

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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.