Home / 31,330.72-43,236.60-17,183.66

Finding the Fourth Proportional to 31,330.72, 43,236.60 and 17,183.66

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Solution

The fourth proportional to 31,330.72, 43,236.60 and 17,183.66 is: 23,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.72 : 43,236.60 = 17,183.66 : x
  2. Step 2: Convert to fraction form
    31,330.72/43,236.60 = 17,183.66/x
  3. Step 3: Cross multiply
    31,330.72x = 43,236.60 × 17,183.66
  4. Step 4: Simplify right side
    31,330.72x = 742,963,033.96
  5. Step 5: Solve for x
    x = 742,963,033.96/31,330.72
  6. Step 6: Final answer
    x = 23,713.57

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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.