Home / 55,073.26-82,609.97-13,520.26

Finding the Fourth Proportional to 55,073.26, 82,609.97 and 13,520.26

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Solution

The fourth proportional to 55,073.26, 82,609.97 and 13,520.26 is: 20,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,073.26 : 82,609.97 = 13,520.26 : x
  2. Step 2: Convert to fraction form
    55,073.26/82,609.97 = 13,520.26/x
  3. Step 3: Cross multiply
    55,073.26x = 82,609.97 × 13,520.26
  4. Step 4: Simplify right side
    55,073.26x = 1,116,908,272.99
  5. Step 5: Solve for x
    x = 1,116,908,272.99/55,073.26
  6. Step 6: Final answer
    x = 20,280.41

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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.