Home / 30,124.20-45,177.66-11,651.88

Finding the Fourth Proportional to 30,124.20, 45,177.66 and 11,651.88

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Solution

The fourth proportional to 30,124.20, 45,177.66 and 11,651.88 is: 17,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.20 : 45,177.66 = 11,651.88 : x
  2. Step 2: Convert to fraction form
    30,124.20/45,177.66 = 11,651.88/x
  3. Step 3: Cross multiply
    30,124.20x = 45,177.66 × 11,651.88
  4. Step 4: Simplify right side
    30,124.20x = 526,404,673.00
  5. Step 5: Solve for x
    x = 526,404,673.00/30,124.20
  6. Step 6: Final answer
    x = 17,474.48

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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.