Home / 31,768.96-43,841.81-19,022.70

Finding the Fourth Proportional to 31,768.96, 43,841.81 and 19,022.70

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Solution

The fourth proportional to 31,768.96, 43,841.81 and 19,022.70 is: 26,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768.96 : 43,841.81 = 19,022.70 : x
  2. Step 2: Convert to fraction form
    31,768.96/43,841.81 = 19,022.70/x
  3. Step 3: Cross multiply
    31,768.96x = 43,841.81 × 19,022.70
  4. Step 4: Simplify right side
    31,768.96x = 833,989,457.44
  5. Step 5: Solve for x
    x = 833,989,457.44/31,768.96
  6. Step 6: Final answer
    x = 26,251.71

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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.