Home / 31,764.86-43,834.39-17,619.02

Finding the Fourth Proportional to 31,764.86, 43,834.39 and 17,619.02

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Solution

The fourth proportional to 31,764.86, 43,834.39 and 17,619.02 is: 24,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.86 : 43,834.39 = 17,619.02 : x
  2. Step 2: Convert to fraction form
    31,764.86/43,834.39 = 17,619.02/x
  3. Step 3: Cross multiply
    31,764.86x = 43,834.39 × 17,619.02
  4. Step 4: Simplify right side
    31,764.86x = 772,318,730.88
  5. Step 5: Solve for x
    x = 772,318,730.88/31,764.86
  6. Step 6: Final answer
    x = 24,313.62

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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.