Home / 31,305.04-43,200.71-17,157.85

Finding the Fourth Proportional to 31,305.04, 43,200.71 and 17,157.85

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Solution

The fourth proportional to 31,305.04, 43,200.71 and 17,157.85 is: 23,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.04 : 43,200.71 = 17,157.85 : x
  2. Step 2: Convert to fraction form
    31,305.04/43,200.71 = 17,157.85/x
  3. Step 3: Cross multiply
    31,305.04x = 43,200.71 × 17,157.85
  4. Step 4: Simplify right side
    31,305.04x = 741,231,172.62
  5. Step 5: Solve for x
    x = 741,231,172.62/31,305.04
  6. Step 6: Final answer
    x = 23,677.70

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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.