Home / 55,119.26-82,678.88-13,566.26

Finding the Fourth Proportional to 55,119.26, 82,678.88 and 13,566.26

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Solution

The fourth proportional to 55,119.26, 82,678.88 and 13,566.26 is: 20,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,119.26 : 82,678.88 = 13,566.26 : x
  2. Step 2: Convert to fraction form
    55,119.26/82,678.88 = 13,566.26/x
  3. Step 3: Cross multiply
    55,119.26x = 82,678.88 × 13,566.26
  4. Step 4: Simplify right side
    55,119.26x = 1,121,643,182.59
  5. Step 5: Solve for x
    x = 1,121,643,182.59/55,119.26
  6. Step 6: Final answer
    x = 20,349.39

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Similar ratio
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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.