Home / 31,305.42-43,200.81-17,157.96

Finding the Fourth Proportional to 31,305.42, 43,200.81 and 17,157.96

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Solution

The fourth proportional to 31,305.42, 43,200.81 and 17,157.96 is: 23,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.42 : 43,200.81 = 17,157.96 : x
  2. Step 2: Convert to fraction form
    31,305.42/43,200.81 = 17,157.96/x
  3. Step 3: Cross multiply
    31,305.42x = 43,200.81 × 17,157.96
  4. Step 4: Simplify right side
    31,305.42x = 741,237,769.95
  5. Step 5: Solve for x
    x = 741,237,769.95/31,305.42
  6. Step 6: Final answer
    x = 23,677.62

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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.