Home / 30,523.26-42,120.10-17,091.44

Finding the Fourth Proportional to 30,523.26, 42,120.10 and 17,091.44

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Solution

The fourth proportional to 30,523.26, 42,120.10 and 17,091.44 is: 23,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,523.26 : 42,120.10 = 17,091.44 : x
  2. Step 2: Convert to fraction form
    30,523.26/42,120.10 = 17,091.44/x
  3. Step 3: Cross multiply
    30,523.26x = 42,120.10 × 17,091.44
  4. Step 4: Simplify right side
    30,523.26x = 719,893,013.92
  5. Step 5: Solve for x
    x = 719,893,013.92/30,523.26
  6. Step 6: Final answer
    x = 23,585.06

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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.