Home / 31,420.31-43,360.31-17,273.25

Finding the Fourth Proportional to 31,420.31, 43,360.31 and 17,273.25

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Solution

The fourth proportional to 31,420.31, 43,360.31 and 17,273.25 is: 23,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,420.31 : 43,360.31 = 17,273.25 : x
  2. Step 2: Convert to fraction form
    31,420.31/43,360.31 = 17,273.25/x
  3. Step 3: Cross multiply
    31,420.31x = 43,360.31 × 17,273.25
  4. Step 4: Simplify right side
    31,420.31x = 748,973,517.89
  5. Step 5: Solve for x
    x = 748,973,517.89/31,420.31
  6. Step 6: Final answer
    x = 23,837.25

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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.