Home / 31,792.14-43,879.21-21,037.23

Finding the Fourth Proportional to 31,792.14, 43,879.21 and 21,037.23

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Solution

The fourth proportional to 31,792.14, 43,879.21 and 21,037.23 is: 29,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,792.14 : 43,879.21 = 21,037.23 : x
  2. Step 2: Convert to fraction form
    31,792.14/43,879.21 = 21,037.23/x
  3. Step 3: Cross multiply
    31,792.14x = 43,879.21 × 21,037.23
  4. Step 4: Simplify right side
    31,792.14x = 923,096,980.40
  5. Step 5: Solve for x
    x = 923,096,980.40/31,792.14
  6. Step 6: Final answer
    x = 29,035.38

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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.