Home / 34,774.90-52,150.20-18,129.40

Finding the Fourth Proportional to 34,774.90, 52,150.20 and 18,129.40

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Solution

The fourth proportional to 34,774.90, 52,150.20 and 18,129.40 is: 27,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,774.90 : 52,150.20 = 18,129.40 : x
  2. Step 2: Convert to fraction form
    34,774.90/52,150.20 = 18,129.40/x
  3. Step 3: Cross multiply
    34,774.90x = 52,150.20 × 18,129.40
  4. Step 4: Simplify right side
    34,774.90x = 945,451,835.88
  5. Step 5: Solve for x
    x = 945,451,835.88/34,774.90
  6. Step 6: Final answer
    x = 27,187.77

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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.