Home / 31,384.94-43,311.92-17,237.88

Finding the Fourth Proportional to 31,384.94, 43,311.92 and 17,237.88

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Solution

The fourth proportional to 31,384.94, 43,311.92 and 17,237.88 is: 23,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.94 : 43,311.92 = 17,237.88 : x
  2. Step 2: Convert to fraction form
    31,384.94/43,311.92 = 17,237.88/x
  3. Step 3: Cross multiply
    31,384.94x = 43,311.92 × 17,237.88
  4. Step 4: Simplify right side
    31,384.94x = 746,605,593.34
  5. Step 5: Solve for x
    x = 746,605,593.34/31,384.94
  6. Step 6: Final answer
    x = 23,788.66

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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.