Home / 49,423.56-74,165.78-19,432.51

Finding the Fourth Proportional to 49,423.56, 74,165.78 and 19,432.51

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Solution

The fourth proportional to 49,423.56, 74,165.78 and 19,432.51 is: 29,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,423.56 : 74,165.78 = 19,432.51 : x
  2. Step 2: Convert to fraction form
    49,423.56/74,165.78 = 19,432.51/x
  3. Step 3: Cross multiply
    49,423.56x = 74,165.78 × 19,432.51
  4. Step 4: Simplify right side
    49,423.56x = 1,441,227,164.35
  5. Step 5: Solve for x
    x = 1,441,227,164.35/49,423.56
  6. Step 6: Final answer
    x = 29,160.73

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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.