Home / 31,516.20-43,492.28-17,369.04

Finding the Fourth Proportional to 31,516.20, 43,492.28 and 17,369.04

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Solution

The fourth proportional to 31,516.20, 43,492.28 and 17,369.04 is: 23,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.20 : 43,492.28 = 17,369.04 : x
  2. Step 2: Convert to fraction form
    31,516.20/43,492.28 = 17,369.04/x
  3. Step 3: Cross multiply
    31,516.20x = 43,492.28 × 17,369.04
  4. Step 4: Simplify right side
    31,516.20x = 755,419,151.01
  5. Step 5: Solve for x
    x = 755,419,151.01/31,516.20
  6. Step 6: Final answer
    x = 23,969.23

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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.