Home / 50,126.09-75,189.24-20,538.62

Finding the Fourth Proportional to 50,126.09, 75,189.24 and 20,538.62

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Solution

The fourth proportional to 50,126.09, 75,189.24 and 20,538.62 is: 30,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,126.09 : 75,189.24 = 20,538.62 : x
  2. Step 2: Convert to fraction form
    50,126.09/75,189.24 = 20,538.62/x
  3. Step 3: Cross multiply
    50,126.09x = 75,189.24 × 20,538.62
  4. Step 4: Simplify right side
    50,126.09x = 1,544,282,852.50
  5. Step 5: Solve for x
    x = 1,544,282,852.50/50,126.09
  6. Step 6: Final answer
    x = 30,807.96

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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.