Home / 49,537.20-74,305.80-13,998.45

Finding the Fourth Proportional to 49,537.20, 74,305.80 and 13,998.45

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Solution

The fourth proportional to 49,537.20, 74,305.80 and 13,998.45 is: 20,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,537.20 : 74,305.80 = 13,998.45 : x
  2. Step 2: Convert to fraction form
    49,537.20/74,305.80 = 13,998.45/x
  3. Step 3: Cross multiply
    49,537.20x = 74,305.80 × 13,998.45
  4. Step 4: Simplify right side
    49,537.20x = 1,040,166,026.01
  5. Step 5: Solve for x
    x = 1,040,166,026.01/49,537.20
  6. Step 6: Final answer
    x = 20,997.68

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1.5x scale

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.