Home / 47,535.80-65,610.42-31,620.92

Finding the Fourth Proportional to 47,535.80, 65,610.42 and 31,620.92

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Solution

The fourth proportional to 47,535.80, 65,610.42 and 31,620.92 is: 43,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,535.80 : 65,610.42 = 31,620.92 : x
  2. Step 2: Convert to fraction form
    47,535.80/65,610.42 = 31,620.92/x
  3. Step 3: Cross multiply
    47,535.80x = 65,610.42 × 31,620.92
  4. Step 4: Simplify right side
    47,535.80x = 2,074,661,841.99
  5. Step 5: Solve for x
    x = 2,074,661,841.99/47,535.80
  6. Step 6: Final answer
    x = 43,644.20

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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.