Home / 30,534.26-42,136.89-17,105.27

Finding the Fourth Proportional to 30,534.26, 42,136.89 and 17,105.27

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Solution

The fourth proportional to 30,534.26, 42,136.89 and 17,105.27 is: 23,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,534.26 : 42,136.89 = 17,105.27 : x
  2. Step 2: Convert to fraction form
    30,534.26/42,136.89 = 17,105.27/x
  3. Step 3: Cross multiply
    30,534.26x = 42,136.89 × 17,105.27
  4. Step 4: Simplify right side
    30,534.26x = 720,762,880.41
  5. Step 5: Solve for x
    x = 720,762,880.41/30,534.26
  6. Step 6: Final answer
    x = 23,605.05

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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.