Home / 35,815.12-53,722.62-9,519.86

Finding the Fourth Proportional to 35,815.12, 53,722.62 and 9,519.86

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Solution

The fourth proportional to 35,815.12, 53,722.62 and 9,519.86 is: 14,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.12 : 53,722.62 = 9,519.86 : x
  2. Step 2: Convert to fraction form
    35,815.12/53,722.62 = 9,519.86/x
  3. Step 3: Cross multiply
    35,815.12x = 53,722.62 × 9,519.86
  4. Step 4: Simplify right side
    35,815.12x = 511,431,955.54
  5. Step 5: Solve for x
    x = 511,431,955.54/35,815.12
  6. Step 6: Final answer
    x = 14,279.78

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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.