Home / 31,384.92-43,313.31-17,237.91

Finding the Fourth Proportional to 31,384.92, 43,313.31 and 17,237.91

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Solution

The fourth proportional to 31,384.92, 43,313.31 and 17,237.91 is: 23,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.92 : 43,313.31 = 17,237.91 : x
  2. Step 2: Convert to fraction form
    31,384.92/43,313.31 = 17,237.91/x
  3. Step 3: Cross multiply
    31,384.92x = 43,313.31 × 17,237.91
  4. Step 4: Simplify right side
    31,384.92x = 746,630,939.58
  5. Step 5: Solve for x
    x = 746,630,939.58/31,384.92
  6. Step 6: Final answer
    x = 23,789.48

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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.