Home / 31,327.06-43,227.93-17,179.78

Finding the Fourth Proportional to 31,327.06, 43,227.93 and 17,179.78

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Solution

The fourth proportional to 31,327.06, 43,227.93 and 17,179.78 is: 23,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.06 : 43,227.93 = 17,179.78 : x
  2. Step 2: Convert to fraction form
    31,327.06/43,227.93 = 17,179.78/x
  3. Step 3: Cross multiply
    31,327.06x = 43,227.93 × 17,179.78
  4. Step 4: Simplify right side
    31,327.06x = 742,646,327.26
  5. Step 5: Solve for x
    x = 742,646,327.26/31,327.06
  6. Step 6: Final answer
    x = 23,706.22

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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.