Home / 31,860-43,962.84-17,711.04

Finding the Fourth Proportional to 31,860, 43,962.84 and 17,711.04

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Solution

The fourth proportional to 31,860, 43,962.84 and 17,711.04 is: 24,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860 : 43,962.84 = 17,711.04 : x
  2. Step 2: Convert to fraction form
    31,860/43,962.84 = 17,711.04/x
  3. Step 3: Cross multiply
    31,860x = 43,962.84 × 17,711.04
  4. Step 4: Simplify right side
    31,860x = 778,627,617.75
  5. Step 5: Solve for x
    x = 778,627,617.75/31,860
  6. Step 6: Final answer
    x = 24,439.03

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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.