Home / 50,109.84-75,164.70-20,527.72

Finding the Fourth Proportional to 50,109.84, 75,164.70 and 20,527.72

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Solution

The fourth proportional to 50,109.84, 75,164.70 and 20,527.72 is: 30,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,109.84 : 75,164.70 = 20,527.72 : x
  2. Step 2: Convert to fraction form
    50,109.84/75,164.70 = 20,527.72/x
  3. Step 3: Cross multiply
    50,109.84x = 75,164.70 × 20,527.72
  4. Step 4: Simplify right side
    50,109.84x = 1,542,959,915.48
  5. Step 5: Solve for x
    x = 1,542,959,915.48/50,109.84
  6. Step 6: Final answer
    x = 30,791.56

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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.