Home / 20,125.03-30,186.12-5,333.62

Finding the Fourth Proportional to 20,125.03, 30,186.12 and 5,333.62

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Solution

The fourth proportional to 20,125.03, 30,186.12 and 5,333.62 is: 8,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.03 : 30,186.12 = 5,333.62 : x
  2. Step 2: Convert to fraction form
    20,125.03/30,186.12 = 5,333.62/x
  3. Step 3: Cross multiply
    20,125.03x = 30,186.12 × 5,333.62
  4. Step 4: Simplify right side
    20,125.03x = 161,001,293.35
  5. Step 5: Solve for x
    x = 161,001,293.35/20,125.03
  6. Step 6: Final answer
    x = 8,000.05

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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.