Home / 44,421.85-66,644.31-13,257.10

Finding the Fourth Proportional to 44,421.85, 66,644.31 and 13,257.10

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Solution

The fourth proportional to 44,421.85, 66,644.31 and 13,257.10 is: 19,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,421.85 : 66,644.31 = 13,257.10 : x
  2. Step 2: Convert to fraction form
    44,421.85/66,644.31 = 13,257.10/x
  3. Step 3: Cross multiply
    44,421.85x = 66,644.31 × 13,257.10
  4. Step 4: Simplify right side
    44,421.85x = 883,509,948.88
  5. Step 5: Solve for x
    x = 883,509,948.88/44,421.85
  6. Step 6: Final answer
    x = 19,889.09

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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.