Home / 27,170.22-40,695.12-20,883.95

Finding the Fourth Proportional to 27,170.22, 40,695.12 and 20,883.95

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Solution

The fourth proportional to 27,170.22, 40,695.12 and 20,883.95 is: 31,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.22 : 40,695.12 = 20,883.95 : x
  2. Step 2: Convert to fraction form
    27,170.22/40,695.12 = 20,883.95/x
  3. Step 3: Cross multiply
    27,170.22x = 40,695.12 × 20,883.95
  4. Step 4: Simplify right side
    27,170.22x = 849,874,647.85
  5. Step 5: Solve for x
    x = 849,874,647.85/27,170.22
  6. Step 6: Final answer
    x = 31,279.64

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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.