Home / 20,180.97-30,271.57-7,033.28

Finding the Fourth Proportional to 20,180.97, 30,271.57 and 7,033.28

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Solution

The fourth proportional to 20,180.97, 30,271.57 and 7,033.28 is: 10,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.97 : 30,271.57 = 7,033.28 : x
  2. Step 2: Convert to fraction form
    20,180.97/30,271.57 = 7,033.28/x
  3. Step 3: Cross multiply
    20,180.97x = 30,271.57 × 7,033.28
  4. Step 4: Simplify right side
    20,180.97x = 212,908,258.91
  5. Step 5: Solve for x
    x = 212,908,258.91/20,180.97
  6. Step 6: Final answer
    x = 10,549.95

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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.