Home / 31,537.84-43,520.12-17,390.64

Finding the Fourth Proportional to 31,537.84, 43,520.12 and 17,390.64

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Solution

The fourth proportional to 31,537.84, 43,520.12 and 17,390.64 is: 23,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.84 : 43,520.12 = 17,390.64 : x
  2. Step 2: Convert to fraction form
    31,537.84/43,520.12 = 17,390.64/x
  3. Step 3: Cross multiply
    31,537.84x = 43,520.12 × 17,390.64
  4. Step 4: Simplify right side
    31,537.84x = 756,842,739.68
  5. Step 5: Solve for x
    x = 756,842,739.68/31,537.84
  6. Step 6: Final answer
    x = 23,997.93

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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.