Home / 31,591.77-43,599.21-18,167.37

Finding the Fourth Proportional to 31,591.77, 43,599.21 and 18,167.37

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Solution

The fourth proportional to 31,591.77, 43,599.21 and 18,167.37 is: 25,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591.77 : 43,599.21 = 18,167.37 : x
  2. Step 2: Convert to fraction form
    31,591.77/43,599.21 = 18,167.37/x
  3. Step 3: Cross multiply
    31,591.77x = 43,599.21 × 18,167.37
  4. Step 4: Simplify right side
    31,591.77x = 792,082,979.78
  5. Step 5: Solve for x
    x = 792,082,979.78/31,591.77
  6. Step 6: Final answer
    x = 25,072.45

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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.