Home / 51,724.50-71,379.81-29,368.50

Finding the Fourth Proportional to 51,724.50, 71,379.81 and 29,368.50

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Solution

The fourth proportional to 51,724.50, 71,379.81 and 29,368.50 is: 40,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,724.50 : 71,379.81 = 29,368.50 : x
  2. Step 2: Convert to fraction form
    51,724.50/71,379.81 = 29,368.50/x
  3. Step 3: Cross multiply
    51,724.50x = 71,379.81 × 29,368.50
  4. Step 4: Simplify right side
    51,724.50x = 2,096,317,949.99
  5. Step 5: Solve for x
    x = 2,096,317,949.99/51,724.50
  6. Step 6: Final answer
    x = 40,528.53

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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.