Home / 47,396.56-65,350.92-31,455.76

Finding the Fourth Proportional to 47,396.56, 65,350.92 and 31,455.76

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Solution

The fourth proportional to 47,396.56, 65,350.92 and 31,455.76 is: 43,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,396.56 : 65,350.92 = 31,455.76 : x
  2. Step 2: Convert to fraction form
    47,396.56/65,350.92 = 31,455.76/x
  3. Step 3: Cross multiply
    47,396.56x = 65,350.92 × 31,455.76
  4. Step 4: Simplify right side
    47,396.56x = 2,055,662,855.30
  5. Step 5: Solve for x
    x = 2,055,662,855.30/47,396.56
  6. Step 6: Final answer
    x = 43,371.56

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1.5x scale

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.