Home / 29,042.37-43,568.12-12,402.49

Finding the Fourth Proportional to 29,042.37, 43,568.12 and 12,402.49

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Solution

The fourth proportional to 29,042.37, 43,568.12 and 12,402.49 is: 18,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,042.37 : 43,568.12 = 12,402.49 : x
  2. Step 2: Convert to fraction form
    29,042.37/43,568.12 = 12,402.49/x
  3. Step 3: Cross multiply
    29,042.37x = 43,568.12 × 12,402.49
  4. Step 4: Simplify right side
    29,042.37x = 540,353,211.73
  5. Step 5: Solve for x
    x = 540,353,211.73/29,042.37
  6. Step 6: Final answer
    x = 18,605.68

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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.