Home / 55,384.38-83,027.43-20,315.97

Finding the Fourth Proportional to 55,384.38, 83,027.43 and 20,315.97

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Solution

The fourth proportional to 55,384.38, 83,027.43 and 20,315.97 is: 30,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,384.38 : 83,027.43 = 20,315.97 : x
  2. Step 2: Convert to fraction form
    55,384.38/83,027.43 = 20,315.97/x
  3. Step 3: Cross multiply
    55,384.38x = 83,027.43 × 20,315.97
  4. Step 4: Simplify right side
    55,384.38x = 1,686,782,777.06
  5. Step 5: Solve for x
    x = 1,686,782,777.06/55,384.38
  6. Step 6: Final answer
    x = 30,455.93

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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.