Home / 54,855.08-82,265.58-19,790.18

Finding the Fourth Proportional to 54,855.08, 82,265.58 and 19,790.18

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Solution

The fourth proportional to 54,855.08, 82,265.58 and 19,790.18 is: 29,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,855.08 : 82,265.58 = 19,790.18 : x
  2. Step 2: Convert to fraction form
    54,855.08/82,265.58 = 19,790.18/x
  3. Step 3: Cross multiply
    54,855.08x = 82,265.58 × 19,790.18
  4. Step 4: Simplify right side
    54,855.08x = 1,628,050,636.00
  5. Step 5: Solve for x
    x = 1,628,050,636.00/54,855.08
  6. Step 6: Final answer
    x = 29,679.12

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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.