Home / 31,320.39-43,224.84-17,175.96

Finding the Fourth Proportional to 31,320.39, 43,224.84 and 17,175.96

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Solution

The fourth proportional to 31,320.39, 43,224.84 and 17,175.96 is: 23,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.39 : 43,224.84 = 17,175.96 : x
  2. Step 2: Convert to fraction form
    31,320.39/43,224.84 = 17,175.96/x
  3. Step 3: Cross multiply
    31,320.39x = 43,224.84 × 17,175.96
  4. Step 4: Simplify right side
    31,320.39x = 742,428,122.85
  5. Step 5: Solve for x
    x = 742,428,122.85/31,320.39
  6. Step 6: Final answer
    x = 23,704.31

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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.