Home / 30,136.16-41,607.42-19,385.84

Finding the Fourth Proportional to 30,136.16, 41,607.42 and 19,385.84

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Solution

The fourth proportional to 30,136.16, 41,607.42 and 19,385.84 is: 26,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.16 : 41,607.42 = 19,385.84 : x
  2. Step 2: Convert to fraction form
    30,136.16/41,607.42 = 19,385.84/x
  3. Step 3: Cross multiply
    30,136.16x = 41,607.42 × 19,385.84
  4. Step 4: Simplify right side
    30,136.16x = 806,594,786.93
  5. Step 5: Solve for x
    x = 806,594,786.93/30,136.16
  6. Step 6: Final answer
    x = 26,765.02

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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.