Home / 31,991.05-47,986.57-17,179.59

Finding the Fourth Proportional to 31,991.05, 47,986.57 and 17,179.59

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Solution

The fourth proportional to 31,991.05, 47,986.57 and 17,179.59 is: 25,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,991.05 : 47,986.57 = 17,179.59 : x
  2. Step 2: Convert to fraction form
    31,991.05/47,986.57 = 17,179.59/x
  3. Step 3: Cross multiply
    31,991.05x = 47,986.57 × 17,179.59
  4. Step 4: Simplify right side
    31,991.05x = 824,389,598.11
  5. Step 5: Solve for x
    x = 824,389,598.11/31,991.05
  6. Step 6: Final answer
    x = 25,769.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.