Home / 49,090.12-73,652.58-20,998.36

Finding the Fourth Proportional to 49,090.12, 73,652.58 and 20,998.36

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Solution

The fourth proportional to 49,090.12, 73,652.58 and 20,998.36 is: 31,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,090.12 : 73,652.58 = 20,998.36 : x
  2. Step 2: Convert to fraction form
    49,090.12/73,652.58 = 20,998.36/x
  3. Step 3: Cross multiply
    49,090.12x = 73,652.58 × 20,998.36
  4. Step 4: Simplify right side
    49,090.12x = 1,546,583,389.77
  5. Step 5: Solve for x
    x = 1,546,583,389.77/49,090.12
  6. Step 6: Final answer
    x = 31,504.98

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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.