Home / 20,073.45-30,110.10-5,080.62

Finding the Fourth Proportional to 20,073.45, 30,110.10 and 5,080.62

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Solution

The fourth proportional to 20,073.45, 30,110.10 and 5,080.62 is: 7,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.45 : 30,110.10 = 5,080.62 : x
  2. Step 2: Convert to fraction form
    20,073.45/30,110.10 = 5,080.62/x
  3. Step 3: Cross multiply
    20,073.45x = 30,110.10 × 5,080.62
  4. Step 4: Simplify right side
    20,073.45x = 152,978,070.12
  5. Step 5: Solve for x
    x = 152,978,070.12/20,073.45
  6. Step 6: Final answer
    x = 7,620.91

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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.