Home / 47,632.24-65,678.29-38,990.94

Finding the Fourth Proportional to 47,632.24, 65,678.29 and 38,990.94

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Solution

The fourth proportional to 47,632.24, 65,678.29 and 38,990.94 is: 53,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,632.24 : 65,678.29 = 38,990.94 : x
  2. Step 2: Convert to fraction form
    47,632.24/65,678.29 = 38,990.94/x
  3. Step 3: Cross multiply
    47,632.24x = 65,678.29 × 38,990.94
  4. Step 4: Simplify right side
    47,632.24x = 2,560,858,067.14
  5. Step 5: Solve for x
    x = 2,560,858,067.14/47,632.24
  6. Step 6: Final answer
    x = 53,763.12

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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.