Home / 50,125.34-75,188.12-20,537.87

Finding the Fourth Proportional to 50,125.34, 75,188.12 and 20,537.87

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Solution

The fourth proportional to 50,125.34, 75,188.12 and 20,537.87 is: 30,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,125.34 : 75,188.12 = 20,537.87 : x
  2. Step 2: Convert to fraction form
    50,125.34/75,188.12 = 20,537.87/x
  3. Step 3: Cross multiply
    50,125.34x = 75,188.12 × 20,537.87
  4. Step 4: Simplify right side
    50,125.34x = 1,544,203,355.47
  5. Step 5: Solve for x
    x = 1,544,203,355.47/50,125.34
  6. Step 6: Final answer
    x = 30,806.84

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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.