Home / 31,418.18-43,357.68-17,271.02

Finding the Fourth Proportional to 31,418.18, 43,357.68 and 17,271.02

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Solution

The fourth proportional to 31,418.18, 43,357.68 and 17,271.02 is: 23,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.18 : 43,357.68 = 17,271.02 : x
  2. Step 2: Convert to fraction form
    31,418.18/43,357.68 = 17,271.02/x
  3. Step 3: Cross multiply
    31,418.18x = 43,357.68 × 17,271.02
  4. Step 4: Simplify right side
    31,418.18x = 748,831,358.43
  5. Step 5: Solve for x
    x = 748,831,358.43/31,418.18
  6. Step 6: Final answer
    x = 23,834.33

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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.