Home / 20,080.07-30,166.28-14,170.56

Finding the Fourth Proportional to 20,080.07, 30,166.28 and 14,170.56

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Solution

The fourth proportional to 20,080.07, 30,166.28 and 14,170.56 is: 21,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.07 : 30,166.28 = 14,170.56 : x
  2. Step 2: Convert to fraction form
    20,080.07/30,166.28 = 14,170.56/x
  3. Step 3: Cross multiply
    20,080.07x = 30,166.28 × 14,170.56
  4. Step 4: Simplify right side
    20,080.07x = 427,473,009.86
  5. Step 5: Solve for x
    x = 427,473,009.86/20,080.07
  6. Step 6: Final answer
    x = 21,288.43

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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.