Home / 31,811.88-43,898.94-17,664.60

Finding the Fourth Proportional to 31,811.88, 43,898.94 and 17,664.60

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Solution

The fourth proportional to 31,811.88, 43,898.94 and 17,664.60 is: 24,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811.88 : 43,898.94 = 17,664.60 : x
  2. Step 2: Convert to fraction form
    31,811.88/43,898.94 = 17,664.60/x
  3. Step 3: Cross multiply
    31,811.88x = 43,898.94 × 17,664.60
  4. Step 4: Simplify right side
    31,811.88x = 775,457,215.52
  5. Step 5: Solve for x
    x = 775,457,215.52/31,811.88
  6. Step 6: Final answer
    x = 24,376.34

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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.