Home / 50,109.20-75,139.56-18,497.84

Finding the Fourth Proportional to 50,109.20, 75,139.56 and 18,497.84

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Solution

The fourth proportional to 50,109.20, 75,139.56 and 18,497.84 is: 27,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,109.20 : 75,139.56 = 18,497.84 : x
  2. Step 2: Convert to fraction form
    50,109.20/75,139.56 = 18,497.84/x
  3. Step 3: Cross multiply
    50,109.20x = 75,139.56 × 18,497.84
  4. Step 4: Simplify right side
    50,109.20x = 1,389,919,558.55
  5. Step 5: Solve for x
    x = 1,389,919,558.55/50,109.20
  6. Step 6: Final answer
    x = 27,737.81

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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.