Home / 34,624.38-51,905.43-12,432.54

Finding the Fourth Proportional to 34,624.38, 51,905.43 and 12,432.54

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Solution

The fourth proportional to 34,624.38, 51,905.43 and 12,432.54 is: 18,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,624.38 : 51,905.43 = 12,432.54 : x
  2. Step 2: Convert to fraction form
    34,624.38/51,905.43 = 12,432.54/x
  3. Step 3: Cross multiply
    34,624.38x = 51,905.43 × 12,432.54
  4. Step 4: Simplify right side
    34,624.38x = 645,316,334.69
  5. Step 5: Solve for x
    x = 645,316,334.69/34,624.38
  6. Step 6: Final answer
    x = 18,637.63

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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.