Home / 31,810.70-43,894.63-17,660.81

Finding the Fourth Proportional to 31,810.70, 43,894.63 and 17,660.81

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Solution

The fourth proportional to 31,810.70, 43,894.63 and 17,660.81 is: 24,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.70 : 43,894.63 = 17,660.81 : x
  2. Step 2: Convert to fraction form
    31,810.70/43,894.63 = 17,660.81/x
  3. Step 3: Cross multiply
    31,810.70x = 43,894.63 × 17,660.81
  4. Step 4: Simplify right side
    31,810.70x = 775,214,720.45
  5. Step 5: Solve for x
    x = 775,214,720.45/31,810.70
  6. Step 6: Final answer
    x = 24,369.62

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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.