Home / 38,612.36-57,878.69-21,936.49

Finding the Fourth Proportional to 38,612.36, 57,878.69 and 21,936.49

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Solution

The fourth proportional to 38,612.36, 57,878.69 and 21,936.49 is: 32,882.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,612.36 : 57,878.69 = 21,936.49 : x
  2. Step 2: Convert to fraction form
    38,612.36/57,878.69 = 21,936.49/x
  3. Step 3: Cross multiply
    38,612.36x = 57,878.69 × 21,936.49
  4. Step 4: Simplify right side
    38,612.36x = 1,269,655,050.02
  5. Step 5: Solve for x
    x = 1,269,655,050.02/38,612.36
  6. Step 6: Final answer
    x = 32,882.09

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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.