Home / 35,187.16-52,785.60-11,820.28

Finding the Fourth Proportional to 35,187.16, 52,785.60 and 11,820.28

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Solution

The fourth proportional to 35,187.16, 52,785.60 and 11,820.28 is: 17,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.16 : 52,785.60 = 11,820.28 : x
  2. Step 2: Convert to fraction form
    35,187.16/52,785.60 = 11,820.28/x
  3. Step 3: Cross multiply
    35,187.16x = 52,785.60 × 11,820.28
  4. Step 4: Simplify right side
    35,187.16x = 623,940,571.97
  5. Step 5: Solve for x
    x = 623,940,571.97/35,187.16
  6. Step 6: Final answer
    x = 17,732.05

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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.