Home / 55,185.39-82,790.42-20,125.04

Finding the Fourth Proportional to 55,185.39, 82,790.42 and 20,125.04

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Solution

The fourth proportional to 55,185.39, 82,790.42 and 20,125.04 is: 30,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,185.39 : 82,790.42 = 20,125.04 : x
  2. Step 2: Convert to fraction form
    55,185.39/82,790.42 = 20,125.04/x
  3. Step 3: Cross multiply
    55,185.39x = 82,790.42 × 20,125.04
  4. Step 4: Simplify right side
    55,185.39x = 1,666,160,514.12
  5. Step 5: Solve for x
    x = 1,666,160,514.12/55,185.39
  6. Step 6: Final answer
    x = 30,192.06

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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.