Home / 29,072.28-40,118.58-17,136.12

Finding the Fourth Proportional to 29,072.28, 40,118.58 and 17,136.12

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Solution

The fourth proportional to 29,072.28, 40,118.58 and 17,136.12 is: 23,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,072.28 : 40,118.58 = 17,136.12 : x
  2. Step 2: Convert to fraction form
    29,072.28/40,118.58 = 17,136.12/x
  3. Step 3: Cross multiply
    29,072.28x = 40,118.58 × 17,136.12
  4. Step 4: Simplify right side
    29,072.28x = 687,476,801.11
  5. Step 5: Solve for x
    x = 687,476,801.11/29,072.28
  6. Step 6: Final answer
    x = 23,647.16

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Double scale
Find fourth proportional to 29,073.28, 40,119.96 and 17,137.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.