Home / 30,723.52-42,399.24-17,295.25

Finding the Fourth Proportional to 30,723.52, 42,399.24 and 17,295.25

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Solution

The fourth proportional to 30,723.52, 42,399.24 and 17,295.25 is: 23,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.52 : 42,399.24 = 17,295.25 : x
  2. Step 2: Convert to fraction form
    30,723.52/42,399.24 = 17,295.25/x
  3. Step 3: Cross multiply
    30,723.52x = 42,399.24 × 17,295.25
  4. Step 4: Simplify right side
    30,723.52x = 733,305,455.61
  5. Step 5: Solve for x
    x = 733,305,455.61/30,723.52
  6. Step 6: Final answer
    x = 23,867.89

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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.