Home / 55,265.40-82,889.30-18,329.40

Finding the Fourth Proportional to 55,265.40, 82,889.30 and 18,329.40

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Solution

The fourth proportional to 55,265.40, 82,889.30 and 18,329.40 is: 27,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,265.40 : 82,889.30 = 18,329.40 : x
  2. Step 2: Convert to fraction form
    55,265.40/82,889.30 = 18,329.40/x
  3. Step 3: Cross multiply
    55,265.40x = 82,889.30 × 18,329.40
  4. Step 4: Simplify right side
    55,265.40x = 1,519,311,135.42
  5. Step 5: Solve for x
    x = 1,519,311,135.42/55,265.40
  6. Step 6: Final answer
    x = 27,491.18

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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.