Home / 55,120.26-82,680.38-13,567.26

Finding the Fourth Proportional to 55,120.26, 82,680.38 and 13,567.26

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Solution

The fourth proportional to 55,120.26, 82,680.38 and 13,567.26 is: 20,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,120.26 : 82,680.38 = 13,567.26 : x
  2. Step 2: Convert to fraction form
    55,120.26/82,680.38 = 13,567.26/x
  3. Step 3: Cross multiply
    55,120.26x = 82,680.38 × 13,567.26
  4. Step 4: Simplify right side
    55,120.26x = 1,121,746,212.36
  5. Step 5: Solve for x
    x = 1,121,746,212.36/55,120.26
  6. Step 6: Final answer
    x = 20,350.89

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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.