Home / 51,971.87-71,720.83-29,311.06

Finding the Fourth Proportional to 51,971.87, 71,720.83 and 29,311.06

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Solution

The fourth proportional to 51,971.87, 71,720.83 and 29,311.06 is: 40,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,971.87 : 71,720.83 = 29,311.06 : x
  2. Step 2: Convert to fraction form
    51,971.87/71,720.83 = 29,311.06/x
  3. Step 3: Cross multiply
    51,971.87x = 71,720.83 × 29,311.06
  4. Step 4: Simplify right side
    51,971.87x = 2,102,213,445.36
  5. Step 5: Solve for x
    x = 2,102,213,445.36/51,971.87
  6. Step 6: Final answer
    x = 40,449.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.