Home / 31,430.25-43,374.96-17,282.79

Finding the Fourth Proportional to 31,430.25, 43,374.96 and 17,282.79

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Solution

The fourth proportional to 31,430.25, 43,374.96 and 17,282.79 is: 23,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.25 : 43,374.96 = 17,282.79 : x
  2. Step 2: Convert to fraction form
    31,430.25/43,374.96 = 17,282.79/x
  3. Step 3: Cross multiply
    31,430.25x = 43,374.96 × 17,282.79
  4. Step 4: Simplify right side
    31,430.25x = 749,640,324.94
  5. Step 5: Solve for x
    x = 749,640,324.94/31,430.25
  6. Step 6: Final answer
    x = 23,850.92

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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.