Home / 31,725.84-43,780.58-17,578.92

Finding the Fourth Proportional to 31,725.84, 43,780.58 and 17,578.92

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Solution

The fourth proportional to 31,725.84, 43,780.58 and 17,578.92 is: 24,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.84 : 43,780.58 = 17,578.92 : x
  2. Step 2: Convert to fraction form
    31,725.84/43,780.58 = 17,578.92/x
  3. Step 3: Cross multiply
    31,725.84x = 43,780.58 × 17,578.92
  4. Step 4: Simplify right side
    31,725.84x = 769,615,313.37
  5. Step 5: Solve for x
    x = 769,615,313.37/31,725.84
  6. Step 6: Final answer
    x = 24,258.31

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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.