Home / 31,821.72-43,913.34-17,674.08

Finding the Fourth Proportional to 31,821.72, 43,913.34 and 17,674.08

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Solution

The fourth proportional to 31,821.72, 43,913.34 and 17,674.08 is: 24,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.72 : 43,913.34 = 17,674.08 : x
  2. Step 2: Convert to fraction form
    31,821.72/43,913.34 = 17,674.08/x
  3. Step 3: Cross multiply
    31,821.72x = 43,913.34 × 17,674.08
  4. Step 4: Simplify right side
    31,821.72x = 776,127,884.23
  5. Step 5: Solve for x
    x = 776,127,884.23/31,821.72
  6. Step 6: Final answer
    x = 24,389.88

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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.