Home / 31,429.56-43,372.96-17,283.32

Finding the Fourth Proportional to 31,429.56, 43,372.96 and 17,283.32

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Solution

The fourth proportional to 31,429.56, 43,372.96 and 17,283.32 is: 23,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.56 : 43,372.96 = 17,283.32 : x
  2. Step 2: Convert to fraction form
    31,429.56/43,372.96 = 17,283.32/x
  3. Step 3: Cross multiply
    31,429.56x = 43,372.96 × 17,283.32
  4. Step 4: Simplify right side
    31,429.56x = 749,628,747.03
  5. Step 5: Solve for x
    x = 749,628,747.03/31,429.56
  6. Step 6: Final answer
    x = 23,851.07

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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.