Home / 30,257.40-41,753.16-16,827.60

Finding the Fourth Proportional to 30,257.40, 41,753.16 and 16,827.60

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Solution

The fourth proportional to 30,257.40, 41,753.16 and 16,827.60 is: 23,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.40 : 41,753.16 = 16,827.60 : x
  2. Step 2: Convert to fraction form
    30,257.40/41,753.16 = 16,827.60/x
  3. Step 3: Cross multiply
    30,257.40x = 41,753.16 × 16,827.60
  4. Step 4: Simplify right side
    30,257.40x = 702,605,475.22
  5. Step 5: Solve for x
    x = 702,605,475.22/30,257.40
  6. Step 6: Final answer
    x = 23,220.95

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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.