Home / 31,972.05-44,107.43-30,489.75

Finding the Fourth Proportional to 31,972.05, 44,107.43 and 30,489.75

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Solution

The fourth proportional to 31,972.05, 44,107.43 and 30,489.75 is: 42,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.05 : 44,107.43 = 30,489.75 : x
  2. Step 2: Convert to fraction form
    31,972.05/44,107.43 = 30,489.75/x
  3. Step 3: Cross multiply
    31,972.05x = 44,107.43 × 30,489.75
  4. Step 4: Simplify right side
    31,972.05x = 1,344,824,513.84
  5. Step 5: Solve for x
    x = 1,344,824,513.84/31,972.05
  6. Step 6: Final answer
    x = 42,062.51

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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.