Home / 31,581.32-43,583.03-17,968.62

Finding the Fourth Proportional to 31,581.32, 43,583.03 and 17,968.62

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Solution

The fourth proportional to 31,581.32, 43,583.03 and 17,968.62 is: 24,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.32 : 43,583.03 = 17,968.62 : x
  2. Step 2: Convert to fraction form
    31,581.32/43,583.03 = 17,968.62/x
  3. Step 3: Cross multiply
    31,581.32x = 43,583.03 × 17,968.62
  4. Step 4: Simplify right side
    31,581.32x = 783,126,814.68
  5. Step 5: Solve for x
    x = 783,126,814.68/31,581.32
  6. Step 6: Final answer
    x = 24,797.15

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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.