Home / 20,301.52-30,440.76-14,818

Finding the Fourth Proportional to 20,301.52, 30,440.76 and 14,818

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Solution

The fourth proportional to 20,301.52, 30,440.76 and 14,818 is: 22,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.52 : 30,440.76 = 14,818 : x
  2. Step 2: Convert to fraction form
    20,301.52/30,440.76 = 14,818/x
  3. Step 3: Cross multiply
    20,301.52x = 30,440.76 × 14,818
  4. Step 4: Simplify right side
    20,301.52x = 451,071,181.68
  5. Step 5: Solve for x
    x = 451,071,181.68/20,301.52
  6. Step 6: Final answer
    x = 22,218.59

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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.