Home / 31,516.79-43,491.20-17,369.73

Finding the Fourth Proportional to 31,516.79, 43,491.20 and 17,369.73

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Solution

The fourth proportional to 31,516.79, 43,491.20 and 17,369.73 is: 23,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.79 : 43,491.20 = 17,369.73 : x
  2. Step 2: Convert to fraction form
    31,516.79/43,491.20 = 17,369.73/x
  3. Step 3: Cross multiply
    31,516.79x = 43,491.20 × 17,369.73
  4. Step 4: Simplify right side
    31,516.79x = 755,430,314.53
  5. Step 5: Solve for x
    x = 755,430,314.53/31,516.79
  6. Step 6: Final answer
    x = 23,969.14

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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.