Home / 35,120.64-52,664.76-11,740.80

Finding the Fourth Proportional to 35,120.64, 52,664.76 and 11,740.80

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Solution

The fourth proportional to 35,120.64, 52,664.76 and 11,740.80 is: 17,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.64 : 52,664.76 = 11,740.80 : x
  2. Step 2: Convert to fraction form
    35,120.64/52,664.76 = 11,740.80/x
  3. Step 3: Cross multiply
    35,120.64x = 52,664.76 × 11,740.80
  4. Step 4: Simplify right side
    35,120.64x = 618,326,414.21
  5. Step 5: Solve for x
    x = 618,326,414.21/35,120.64
  6. Step 6: Final answer
    x = 17,605.78

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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.