Home / 55,945.20-83,918.01-22,665.90

Finding the Fourth Proportional to 55,945.20, 83,918.01 and 22,665.90

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Solution

The fourth proportional to 55,945.20, 83,918.01 and 22,665.90 is: 33,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,945.20 : 83,918.01 = 22,665.90 : x
  2. Step 2: Convert to fraction form
    55,945.20/83,918.01 = 22,665.90/x
  3. Step 3: Cross multiply
    55,945.20x = 83,918.01 × 22,665.90
  4. Step 4: Simplify right side
    55,945.20x = 1,902,077,222.86
  5. Step 5: Solve for x
    x = 1,902,077,222.86/55,945.20
  6. Step 6: Final answer
    x = 33,998.94

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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.