Home / 31,808.72-47,661.24-25,199.12

Finding the Fourth Proportional to 31,808.72, 47,661.24 and 25,199.12

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Solution

The fourth proportional to 31,808.72, 47,661.24 and 25,199.12 is: 37,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808.72 : 47,661.24 = 25,199.12 : x
  2. Step 2: Convert to fraction form
    31,808.72/47,661.24 = 25,199.12/x
  3. Step 3: Cross multiply
    31,808.72x = 47,661.24 × 25,199.12
  4. Step 4: Simplify right side
    31,808.72x = 1,201,021,306.11
  5. Step 5: Solve for x
    x = 1,201,021,306.11/31,808.72
  6. Step 6: Final answer
    x = 37,757.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.