Home / 31,259.12-43,137.54-17,111.96

Finding the Fourth Proportional to 31,259.12, 43,137.54 and 17,111.96

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Solution

The fourth proportional to 31,259.12, 43,137.54 and 17,111.96 is: 23,614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,259.12 : 43,137.54 = 17,111.96 : x
  2. Step 2: Convert to fraction form
    31,259.12/43,137.54 = 17,111.96/x
  3. Step 3: Cross multiply
    31,259.12x = 43,137.54 × 17,111.96
  4. Step 4: Simplify right side
    31,259.12x = 738,167,858.98
  5. Step 5: Solve for x
    x = 738,167,858.98/31,259.12
  6. Step 6: Final answer
    x = 23,614.48

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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.