Home / 31,282.04-43,169.58-17,855.12

Finding the Fourth Proportional to 31,282.04, 43,169.58 and 17,855.12

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Solution

The fourth proportional to 31,282.04, 43,169.58 and 17,855.12 is: 24,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.04 : 43,169.58 = 17,855.12 : x
  2. Step 2: Convert to fraction form
    31,282.04/43,169.58 = 17,855.12/x
  3. Step 3: Cross multiply
    31,282.04x = 43,169.58 × 17,855.12
  4. Step 4: Simplify right side
    31,282.04x = 770,798,031.25
  5. Step 5: Solve for x
    x = 770,798,031.25/31,282.04
  6. Step 6: Final answer
    x = 24,640.27

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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.