Home / 49,921.78-74,877.54-16,638.25

Finding the Fourth Proportional to 49,921.78, 74,877.54 and 16,638.25

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Solution

The fourth proportional to 49,921.78, 74,877.54 and 16,638.25 is: 24,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,921.78 : 74,877.54 = 16,638.25 : x
  2. Step 2: Convert to fraction form
    49,921.78/74,877.54 = 16,638.25/x
  3. Step 3: Cross multiply
    49,921.78x = 74,877.54 × 16,638.25
  4. Step 4: Simplify right side
    49,921.78x = 1,245,831,229.91
  5. Step 5: Solve for x
    x = 1,245,831,229.91/49,921.78
  6. Step 6: Final answer
    x = 24,955.67

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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.