Home / 39,192.72-58,789.92-11,490.72

Finding the Fourth Proportional to 39,192.72, 58,789.92 and 11,490.72

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Solution

The fourth proportional to 39,192.72, 58,789.92 and 11,490.72 is: 17,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192.72 : 58,789.92 = 11,490.72 : x
  2. Step 2: Convert to fraction form
    39,192.72/58,789.92 = 11,490.72/x
  3. Step 3: Cross multiply
    39,192.72x = 58,789.92 × 11,490.72
  4. Step 4: Simplify right side
    39,192.72x = 675,538,509.54
  5. Step 5: Solve for x
    x = 675,538,509.54/39,192.72
  6. Step 6: Final answer
    x = 17,236.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.