Home / 55,193.74-82,782.24-20,133.43

Finding the Fourth Proportional to 55,193.74, 82,782.24 and 20,133.43

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Solution

The fourth proportional to 55,193.74, 82,782.24 and 20,133.43 is: 30,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,193.74 : 82,782.24 = 20,133.43 : x
  2. Step 2: Convert to fraction form
    55,193.74/82,782.24 = 20,133.43/x
  3. Step 3: Cross multiply
    55,193.74x = 82,782.24 × 20,133.43
  4. Step 4: Simplify right side
    55,193.74x = 1,666,690,434.28
  5. Step 5: Solve for x
    x = 1,666,690,434.28/55,193.74
  6. Step 6: Final answer
    x = 30,197.09

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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.