Home / 49,091.12-73,654.08-20,999.36

Finding the Fourth Proportional to 49,091.12, 73,654.08 and 20,999.36

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Solution

The fourth proportional to 49,091.12, 73,654.08 and 20,999.36 is: 31,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,091.12 : 73,654.08 = 20,999.36 : x
  2. Step 2: Convert to fraction form
    49,091.12/73,654.08 = 20,999.36/x
  3. Step 3: Cross multiply
    49,091.12x = 73,654.08 × 20,999.36
  4. Step 4: Simplify right side
    49,091.12x = 1,546,688,541.39
  5. Step 5: Solve for x
    x = 1,546,688,541.39/49,091.12
  6. Step 6: Final answer
    x = 31,506.48

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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.