Home / 31,684.31-43,734.08-18,264.53

Finding the Fourth Proportional to 31,684.31, 43,734.08 and 18,264.53

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Solution

The fourth proportional to 31,684.31, 43,734.08 and 18,264.53 is: 25,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,684.31 : 43,734.08 = 18,264.53 : x
  2. Step 2: Convert to fraction form
    31,684.31/43,734.08 = 18,264.53/x
  3. Step 3: Cross multiply
    31,684.31x = 43,734.08 × 18,264.53
  4. Step 4: Simplify right side
    31,684.31x = 798,782,324.86
  5. Step 5: Solve for x
    x = 798,782,324.86/31,684.31
  6. Step 6: Final answer
    x = 25,210.66

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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.