Home / 30,706.21-42,375.40-17,277.95

Finding the Fourth Proportional to 30,706.21, 42,375.40 and 17,277.95

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Solution

The fourth proportional to 30,706.21, 42,375.40 and 17,277.95 is: 23,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,706.21 : 42,375.40 = 17,277.95 : x
  2. Step 2: Convert to fraction form
    30,706.21/42,375.40 = 17,277.95/x
  3. Step 3: Cross multiply
    30,706.21x = 42,375.40 × 17,277.95
  4. Step 4: Simplify right side
    30,706.21x = 732,160,042.43
  5. Step 5: Solve for x
    x = 732,160,042.43/30,706.21
  6. Step 6: Final answer
    x = 23,844.04

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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.