Home / 31,541.97-43,526.46-18,103.77

Finding the Fourth Proportional to 31,541.97, 43,526.46 and 18,103.77

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Solution

The fourth proportional to 31,541.97, 43,526.46 and 18,103.77 is: 24,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.97 : 43,526.46 = 18,103.77 : x
  2. Step 2: Convert to fraction form
    31,541.97/43,526.46 = 18,103.77/x
  3. Step 3: Cross multiply
    31,541.97x = 43,526.46 × 18,103.77
  4. Step 4: Simplify right side
    31,541.97x = 787,992,930.24
  5. Step 5: Solve for x
    x = 787,992,930.24/31,541.97
  6. Step 6: Final answer
    x = 24,982.36

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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.