Home / 20,443.25-30,600.63-14,080.79

Finding the Fourth Proportional to 20,443.25, 30,600.63 and 14,080.79

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Solution

The fourth proportional to 20,443.25, 30,600.63 and 14,080.79 is: 21,076.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443.25 : 30,600.63 = 14,080.79 : x
  2. Step 2: Convert to fraction form
    20,443.25/30,600.63 = 14,080.79/x
  3. Step 3: Cross multiply
    20,443.25x = 30,600.63 × 14,080.79
  4. Step 4: Simplify right side
    20,443.25x = 430,881,121.40
  5. Step 5: Solve for x
    x = 430,881,121.40/20,443.25
  6. Step 6: Final answer
    x = 21,076.94

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1.5x scale

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.