Home / 29,318.92-43,989.45-17,640.34

Finding the Fourth Proportional to 29,318.92, 43,989.45 and 17,640.34

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Solution

The fourth proportional to 29,318.92, 43,989.45 and 17,640.34 is: 26,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.92 : 43,989.45 = 17,640.34 : x
  2. Step 2: Convert to fraction form
    29,318.92/43,989.45 = 17,640.34/x
  3. Step 3: Cross multiply
    29,318.92x = 43,989.45 × 17,640.34
  4. Step 4: Simplify right side
    29,318.92x = 775,988,854.41
  5. Step 5: Solve for x
    x = 775,988,854.41/29,318.92
  6. Step 6: Final answer
    x = 26,467.17

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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.