Home / 36,335.67-54,501.97-12,648.61

Finding the Fourth Proportional to 36,335.67, 54,501.97 and 12,648.61

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Solution

The fourth proportional to 36,335.67, 54,501.97 and 12,648.61 is: 18,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,335.67 : 54,501.97 = 12,648.61 : x
  2. Step 2: Convert to fraction form
    36,335.67/54,501.97 = 12,648.61/x
  3. Step 3: Cross multiply
    36,335.67x = 54,501.97 × 12,648.61
  4. Step 4: Simplify right side
    36,335.67x = 689,374,162.76
  5. Step 5: Solve for x
    x = 689,374,162.76/36,335.67
  6. Step 6: Final answer
    x = 18,972.38

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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.