Home / 55,351.38-83,028.89-17,911.76

Finding the Fourth Proportional to 55,351.38, 83,028.89 and 17,911.76

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Solution

The fourth proportional to 55,351.38, 83,028.89 and 17,911.76 is: 26,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,351.38 : 83,028.89 = 17,911.76 : x
  2. Step 2: Convert to fraction form
    55,351.38/83,028.89 = 17,911.76/x
  3. Step 3: Cross multiply
    55,351.38x = 83,028.89 × 17,911.76
  4. Step 4: Simplify right side
    55,351.38x = 1,487,193,287.96
  5. Step 5: Solve for x
    x = 1,487,193,287.96/55,351.38
  6. Step 6: Final answer
    x = 26,868.23

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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.