Home / 20,025.72-30,045.06-14,103

Finding the Fourth Proportional to 20,025.72, 30,045.06 and 14,103

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Solution

The fourth proportional to 20,025.72, 30,045.06 and 14,103 is: 21,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.72 : 30,045.06 = 14,103 : x
  2. Step 2: Convert to fraction form
    20,025.72/30,045.06 = 14,103/x
  3. Step 3: Cross multiply
    20,025.72x = 30,045.06 × 14,103
  4. Step 4: Simplify right side
    20,025.72x = 423,725,481.18
  5. Step 5: Solve for x
    x = 423,725,481.18/20,025.72
  6. Step 6: Final answer
    x = 21,159.06

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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.