Home / 49,769.72-74,652.75-12,329.90

Finding the Fourth Proportional to 49,769.72, 74,652.75 and 12,329.90

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Solution

The fourth proportional to 49,769.72, 74,652.75 and 12,329.90 is: 18,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,769.72 : 74,652.75 = 12,329.90 : x
  2. Step 2: Convert to fraction form
    49,769.72/74,652.75 = 12,329.90/x
  3. Step 3: Cross multiply
    49,769.72x = 74,652.75 × 12,329.90
  4. Step 4: Simplify right side
    49,769.72x = 920,460,568.96
  5. Step 5: Solve for x
    x = 920,460,568.96/49,769.72
  6. Step 6: Final answer
    x = 18,494.39

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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.