Home / 47,489.58-65,507.06-31,357.04

Finding the Fourth Proportional to 47,489.58, 65,507.06 and 31,357.04

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Solution

The fourth proportional to 47,489.58, 65,507.06 and 31,357.04 is: 43,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,489.58 : 65,507.06 = 31,357.04 : x
  2. Step 2: Convert to fraction form
    47,489.58/65,507.06 = 31,357.04/x
  3. Step 3: Cross multiply
    47,489.58x = 65,507.06 × 31,357.04
  4. Step 4: Simplify right side
    47,489.58x = 2,054,107,251.56
  5. Step 5: Solve for x
    x = 2,054,107,251.56/47,489.58
  6. Step 6: Final answer
    x = 43,253.85

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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.