Home / 50,515.42-69,711.78-27,855.22

Finding the Fourth Proportional to 50,515.42, 69,711.78 and 27,855.22

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Solution

The fourth proportional to 50,515.42, 69,711.78 and 27,855.22 is: 38,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,515.42 : 69,711.78 = 27,855.22 : x
  2. Step 2: Convert to fraction form
    50,515.42/69,711.78 = 27,855.22/x
  3. Step 3: Cross multiply
    50,515.42x = 69,711.78 × 27,855.22
  4. Step 4: Simplify right side
    50,515.42x = 1,941,836,968.49
  5. Step 5: Solve for x
    x = 1,941,836,968.49/50,515.42
  6. Step 6: Final answer
    x = 38,440.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.