Home / 50,453.52-75,680.29-20,838.80

Finding the Fourth Proportional to 50,453.52, 75,680.29 and 20,838.80

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Solution

The fourth proportional to 50,453.52, 75,680.29 and 20,838.80 is: 31,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,453.52 : 75,680.29 = 20,838.80 : x
  2. Step 2: Convert to fraction form
    50,453.52/75,680.29 = 20,838.80/x
  3. Step 3: Cross multiply
    50,453.52x = 75,680.29 × 20,838.80
  4. Step 4: Simplify right side
    50,453.52x = 1,577,086,642.50
  5. Step 5: Solve for x
    x = 1,577,086,642.50/50,453.52
  6. Step 6: Final answer
    x = 31,258.21

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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.