Home / 47,609.13-65,670.83-30,635.48

Finding the Fourth Proportional to 47,609.13, 65,670.83 and 30,635.48

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Solution

The fourth proportional to 47,609.13, 65,670.83 and 30,635.48 is: 42,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,609.13 : 65,670.83 = 30,635.48 : x
  2. Step 2: Convert to fraction form
    47,609.13/65,670.83 = 30,635.48/x
  3. Step 3: Cross multiply
    47,609.13x = 65,670.83 × 30,635.48
  4. Step 4: Simplify right side
    47,609.13x = 2,011,857,697.26
  5. Step 5: Solve for x
    x = 2,011,857,697.26/47,609.13
  6. Step 6: Final answer
    x = 42,257.81

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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.