Home / 31,623.27-43,638.36-17,475.21

Finding the Fourth Proportional to 31,623.27, 43,638.36 and 17,475.21

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Solution

The fourth proportional to 31,623.27, 43,638.36 and 17,475.21 is: 24,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.27 : 43,638.36 = 17,475.21 : x
  2. Step 2: Convert to fraction form
    31,623.27/43,638.36 = 17,475.21/x
  3. Step 3: Cross multiply
    31,623.27x = 43,638.36 × 17,475.21
  4. Step 4: Simplify right side
    31,623.27x = 762,589,505.06
  5. Step 5: Solve for x
    x = 762,589,505.06/31,623.27
  6. Step 6: Final answer
    x = 24,114.82

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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.