Home / 35,870.64-49,388.80-30,481.71

Finding the Fourth Proportional to 35,870.64, 49,388.80 and 30,481.71

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Solution

The fourth proportional to 35,870.64, 49,388.80 and 30,481.71 is: 41,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,870.64 : 49,388.80 = 30,481.71 : x
  2. Step 2: Convert to fraction form
    35,870.64/49,388.80 = 30,481.71/x
  3. Step 3: Cross multiply
    35,870.64x = 49,388.80 × 30,481.71
  4. Step 4: Simplify right side
    35,870.64x = 1,505,455,078.85
  5. Step 5: Solve for x
    x = 1,505,455,078.85/35,870.64
  6. Step 6: Final answer
    x = 41,969.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.