Home / 47,619.24-65,668.96-28,495.76

Finding the Fourth Proportional to 47,619.24, 65,668.96 and 28,495.76

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Solution

The fourth proportional to 47,619.24, 65,668.96 and 28,495.76 is: 39,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.24 : 65,668.96 = 28,495.76 : x
  2. Step 2: Convert to fraction form
    47,619.24/65,668.96 = 28,495.76/x
  3. Step 3: Cross multiply
    47,619.24x = 65,668.96 × 28,495.76
  4. Step 4: Simplify right side
    47,619.24x = 1,871,286,923.61
  5. Step 5: Solve for x
    x = 1,871,286,923.61/47,619.24
  6. Step 6: Final answer
    x = 39,296.87

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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.