Home / 31,388.44-43,318.92-17,964.04

Finding the Fourth Proportional to 31,388.44, 43,318.92 and 17,964.04

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Solution

The fourth proportional to 31,388.44, 43,318.92 and 17,964.04 is: 24,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.44 : 43,318.92 = 17,964.04 : x
  2. Step 2: Convert to fraction form
    31,388.44/43,318.92 = 17,964.04/x
  3. Step 3: Cross multiply
    31,388.44x = 43,318.92 × 17,964.04
  4. Step 4: Simplify right side
    31,388.44x = 778,182,811.64
  5. Step 5: Solve for x
    x = 778,182,811.64/31,388.44
  6. Step 6: Final answer
    x = 24,792.02

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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.