Home / 29,742.78-44,559-21,291.84

Finding the Fourth Proportional to 29,742.78, 44,559 and 21,291.84

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Solution

The fourth proportional to 29,742.78, 44,559 and 21,291.84 is: 31,898.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,742.78 : 44,559 = 21,291.84 : x
  2. Step 2: Convert to fraction form
    29,742.78/44,559 = 21,291.84/x
  3. Step 3: Cross multiply
    29,742.78x = 44,559 × 21,291.84
  4. Step 4: Simplify right side
    29,742.78x = 948,743,098.56
  5. Step 5: Solve for x
    x = 948,743,098.56/29,742.78
  6. Step 6: Final answer
    x = 31,898.27

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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.