Home / 29,821.16-41,136.18-18,485.48

Finding the Fourth Proportional to 29,821.16, 41,136.18 and 18,485.48

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Solution

The fourth proportional to 29,821.16, 41,136.18 and 18,485.48 is: 25,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.16 : 41,136.18 = 18,485.48 : x
  2. Step 2: Convert to fraction form
    29,821.16/41,136.18 = 18,485.48/x
  3. Step 3: Cross multiply
    29,821.16x = 41,136.18 × 18,485.48
  4. Step 4: Simplify right side
    29,821.16x = 760,422,032.67
  5. Step 5: Solve for x
    x = 760,422,032.67/29,821.16
  6. Step 6: Final answer
    x = 25,499.41

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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.