Home / 31,390.37-43,318.73-17,244.12

Finding the Fourth Proportional to 31,390.37, 43,318.73 and 17,244.12

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Solution

The fourth proportional to 31,390.37, 43,318.73 and 17,244.12 is: 23,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390.37 : 43,318.73 = 17,244.12 : x
  2. Step 2: Convert to fraction form
    31,390.37/43,318.73 = 17,244.12/x
  3. Step 3: Cross multiply
    31,390.37x = 43,318.73 × 17,244.12
  4. Step 4: Simplify right side
    31,390.37x = 746,993,421.48
  5. Step 5: Solve for x
    x = 746,993,421.48/31,390.37
  6. Step 6: Final answer
    x = 23,796.90

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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.