Home / 34,577.10-51,871.11-12,389.98

Finding the Fourth Proportional to 34,577.10, 51,871.11 and 12,389.98

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Solution

The fourth proportional to 34,577.10, 51,871.11 and 12,389.98 is: 18,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,577.10 : 51,871.11 = 12,389.98 : x
  2. Step 2: Convert to fraction form
    34,577.10/51,871.11 = 12,389.98/x
  3. Step 3: Cross multiply
    34,577.10x = 51,871.11 × 12,389.98
  4. Step 4: Simplify right side
    34,577.10x = 642,682,015.48
  5. Step 5: Solve for x
    x = 642,682,015.48/34,577.10
  6. Step 6: Final answer
    x = 18,586.93

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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.