Home / 31,151.60-42,989.19-17,004.44

Finding the Fourth Proportional to 31,151.60, 42,989.19 and 17,004.44

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Solution

The fourth proportional to 31,151.60, 42,989.19 and 17,004.44 is: 23,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,151.60 : 42,989.19 = 17,004.44 : x
  2. Step 2: Convert to fraction form
    31,151.60/42,989.19 = 17,004.44/x
  3. Step 3: Cross multiply
    31,151.60x = 42,989.19 × 17,004.44
  4. Step 4: Simplify right side
    31,151.60x = 731,007,145.71
  5. Step 5: Solve for x
    x = 731,007,145.71/31,151.60
  6. Step 6: Final answer
    x = 23,466.12

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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.