Home / 48,885.77-67,469.54-30,982.38

Finding the Fourth Proportional to 48,885.77, 67,469.54 and 30,982.38

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Solution

The fourth proportional to 48,885.77, 67,469.54 and 30,982.38 is: 42,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,885.77 : 67,469.54 = 30,982.38 : x
  2. Step 2: Convert to fraction form
    48,885.77/67,469.54 = 30,982.38/x
  3. Step 3: Cross multiply
    48,885.77x = 67,469.54 × 30,982.38
  4. Step 4: Simplify right side
    48,885.77x = 2,090,366,771.79
  5. Step 5: Solve for x
    x = 2,090,366,771.79/48,885.77
  6. Step 6: Final answer
    x = 42,760.23

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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.