Home / 51,868.48-71,585.34-29,211.90

Finding the Fourth Proportional to 51,868.48, 71,585.34 and 29,211.90

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Solution

The fourth proportional to 51,868.48, 71,585.34 and 29,211.90 is: 40,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,868.48 : 71,585.34 = 29,211.90 : x
  2. Step 2: Convert to fraction form
    51,868.48/71,585.34 = 29,211.90/x
  3. Step 3: Cross multiply
    51,868.48x = 71,585.34 × 29,211.90
  4. Step 4: Simplify right side
    51,868.48x = 2,091,143,289.56
  5. Step 5: Solve for x
    x = 2,091,143,289.56/51,868.48
  6. Step 6: Final answer
    x = 40,316.27

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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.