Home / 31,724.28-47,536.96-11,992.04

Finding the Fourth Proportional to 31,724.28, 47,536.96 and 11,992.04

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Solution

The fourth proportional to 31,724.28, 47,536.96 and 11,992.04 is: 17,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.28 : 47,536.96 = 11,992.04 : x
  2. Step 2: Convert to fraction form
    31,724.28/47,536.96 = 11,992.04/x
  3. Step 3: Cross multiply
    31,724.28x = 47,536.96 × 11,992.04
  4. Step 4: Simplify right side
    31,724.28x = 570,065,125.80
  5. Step 5: Solve for x
    x = 570,065,125.80/31,724.28
  6. Step 6: Final answer
    x = 17,969.36

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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.