Home / 31,783.21-43,860.68-17,636.02

Finding the Fourth Proportional to 31,783.21, 43,860.68 and 17,636.02

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Solution

The fourth proportional to 31,783.21, 43,860.68 and 17,636.02 is: 24,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,783.21 : 43,860.68 = 17,636.02 : x
  2. Step 2: Convert to fraction form
    31,783.21/43,860.68 = 17,636.02/x
  3. Step 3: Cross multiply
    31,783.21x = 43,860.68 × 17,636.02
  4. Step 4: Simplify right side
    31,783.21x = 773,527,829.69
  5. Step 5: Solve for x
    x = 773,527,829.69/31,783.21
  6. Step 6: Final answer
    x = 24,337.62

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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.