Home / 31,305.69-43,200.54-17,157.62

Finding the Fourth Proportional to 31,305.69, 43,200.54 and 17,157.62

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Solution

The fourth proportional to 31,305.69, 43,200.54 and 17,157.62 is: 23,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.69 : 43,200.54 = 17,157.62 : x
  2. Step 2: Convert to fraction form
    31,305.69/43,200.54 = 17,157.62/x
  3. Step 3: Cross multiply
    31,305.69x = 43,200.54 × 17,157.62
  4. Step 4: Simplify right side
    31,305.69x = 741,218,557.12
  5. Step 5: Solve for x
    x = 741,218,557.12/31,305.69
  6. Step 6: Final answer
    x = 23,676.80

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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.