Home / 30,136.73-41,587.97-17,389.94

Finding the Fourth Proportional to 30,136.73, 41,587.97 and 17,389.94

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Solution

The fourth proportional to 30,136.73, 41,587.97 and 17,389.94 is: 23,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.73 : 41,587.97 = 17,389.94 : x
  2. Step 2: Convert to fraction form
    30,136.73/41,587.97 = 17,389.94/x
  3. Step 3: Cross multiply
    30,136.73x = 41,587.97 × 17,389.94
  4. Step 4: Simplify right side
    30,136.73x = 723,212,008.13
  5. Step 5: Solve for x
    x = 723,212,008.13/30,136.73
  6. Step 6: Final answer
    x = 23,997.70

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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.