Home / 55,601.29-83,359.50-18,138.79

Finding the Fourth Proportional to 55,601.29, 83,359.50 and 18,138.79

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Solution

The fourth proportional to 55,601.29, 83,359.50 and 18,138.79 is: 27,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601.29 : 83,359.50 = 18,138.79 : x
  2. Step 2: Convert to fraction form
    55,601.29/83,359.50 = 18,138.79/x
  3. Step 3: Cross multiply
    55,601.29x = 83,359.50 × 18,138.79
  4. Step 4: Simplify right side
    55,601.29x = 1,512,040,465.01
  5. Step 5: Solve for x
    x = 1,512,040,465.01/55,601.29
  6. Step 6: Final answer
    x = 27,194.34

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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.