Home / 39,196.20-58,736.70-15,781.80

Finding the Fourth Proportional to 39,196.20, 58,736.70 and 15,781.80

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Solution

The fourth proportional to 39,196.20, 58,736.70 and 15,781.80 is: 23,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,196.20 : 58,736.70 = 15,781.80 : x
  2. Step 2: Convert to fraction form
    39,196.20/58,736.70 = 15,781.80/x
  3. Step 3: Cross multiply
    39,196.20x = 58,736.70 × 15,781.80
  4. Step 4: Simplify right side
    39,196.20x = 926,970,852.06
  5. Step 5: Solve for x
    x = 926,970,852.06/39,196.20
  6. Step 6: Final answer
    x = 23,649.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.