Home / 45,012.72-67,519.08-17,291.28

Finding the Fourth Proportional to 45,012.72, 67,519.08 and 17,291.28

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Solution

The fourth proportional to 45,012.72, 67,519.08 and 17,291.28 is: 25,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,012.72 : 67,519.08 = 17,291.28 : x
  2. Step 2: Convert to fraction form
    45,012.72/67,519.08 = 17,291.28/x
  3. Step 3: Cross multiply
    45,012.72x = 67,519.08 × 17,291.28
  4. Step 4: Simplify right side
    45,012.72x = 1,167,491,317.62
  5. Step 5: Solve for x
    x = 1,167,491,317.62/45,012.72
  6. Step 6: Final answer
    x = 25,936.92

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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.