Home / 31,332.78-43,236.99-17,183.34

Finding the Fourth Proportional to 31,332.78, 43,236.99 and 17,183.34

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Solution

The fourth proportional to 31,332.78, 43,236.99 and 17,183.34 is: 23,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332.78 : 43,236.99 = 17,183.34 : x
  2. Step 2: Convert to fraction form
    31,332.78/43,236.99 = 17,183.34/x
  3. Step 3: Cross multiply
    31,332.78x = 43,236.99 × 17,183.34
  4. Step 4: Simplify right side
    31,332.78x = 742,955,899.75
  5. Step 5: Solve for x
    x = 742,955,899.75/31,332.78
  6. Step 6: Final answer
    x = 23,711.78

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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.