Home / 50,173.85-75,149.73-20,501.66

Finding the Fourth Proportional to 50,173.85, 75,149.73 and 20,501.66

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Solution

The fourth proportional to 50,173.85, 75,149.73 and 20,501.66 is: 30,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,173.85 : 75,149.73 = 20,501.66 : x
  2. Step 2: Convert to fraction form
    50,173.85/75,149.73 = 20,501.66/x
  3. Step 3: Cross multiply
    50,173.85x = 75,149.73 × 20,501.66
  4. Step 4: Simplify right side
    50,173.85x = 1,540,693,837.80
  5. Step 5: Solve for x
    x = 1,540,693,837.80/50,173.85
  6. Step 6: Final answer
    x = 30,707.11

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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.