Home / 31,461.62-43,417.01-17,314.38

Finding the Fourth Proportional to 31,461.62, 43,417.01 and 17,314.38

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Solution

The fourth proportional to 31,461.62, 43,417.01 and 17,314.38 is: 23,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.62 : 43,417.01 = 17,314.38 : x
  2. Step 2: Convert to fraction form
    31,461.62/43,417.01 = 17,314.38/x
  3. Step 3: Cross multiply
    31,461.62x = 43,417.01 × 17,314.38
  4. Step 4: Simplify right side
    31,461.62x = 751,738,609.60
  5. Step 5: Solve for x
    x = 751,738,609.60/31,461.62
  6. Step 6: Final answer
    x = 23,893.83

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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.