Home / 31,438.82-43,384.73-17,829.36

Finding the Fourth Proportional to 31,438.82, 43,384.73 and 17,829.36

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Solution

The fourth proportional to 31,438.82, 43,384.73 and 17,829.36 is: 24,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,438.82 : 43,384.73 = 17,829.36 : x
  2. Step 2: Convert to fraction form
    31,438.82/43,384.73 = 17,829.36/x
  3. Step 3: Cross multiply
    31,438.82x = 43,384.73 × 17,829.36
  4. Step 4: Simplify right side
    31,438.82x = 773,521,880.53
  5. Step 5: Solve for x
    x = 773,521,880.53/31,438.82
  6. Step 6: Final answer
    x = 24,604.04

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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.