Home / 50,090.14-75,134.95-20,507.97

Finding the Fourth Proportional to 50,090.14, 75,134.95 and 20,507.97

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Solution

The fourth proportional to 50,090.14, 75,134.95 and 20,507.97 is: 30,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,090.14 : 75,134.95 = 20,507.97 : x
  2. Step 2: Convert to fraction form
    50,090.14/75,134.95 = 20,507.97/x
  3. Step 3: Cross multiply
    50,090.14x = 75,134.95 × 20,507.97
  4. Step 4: Simplify right side
    50,090.14x = 1,540,865,300.55
  5. Step 5: Solve for x
    x = 1,540,865,300.55/50,090.14
  6. Step 6: Final answer
    x = 30,761.85

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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.