Home / 31,621.80-43,637.70-17,474.34

Finding the Fourth Proportional to 31,621.80, 43,637.70 and 17,474.34

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Solution

The fourth proportional to 31,621.80, 43,637.70 and 17,474.34 is: 24,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621.80 : 43,637.70 = 17,474.34 : x
  2. Step 2: Convert to fraction form
    31,621.80/43,637.70 = 17,474.34/x
  3. Step 3: Cross multiply
    31,621.80x = 43,637.70 × 17,474.34
  4. Step 4: Simplify right side
    31,621.80x = 762,540,006.62
  5. Step 5: Solve for x
    x = 762,540,006.62/31,621.80
  6. Step 6: Final answer
    x = 24,114.38

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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.