Home / 31,282.19-43,169.43-17,135.54

Finding the Fourth Proportional to 31,282.19, 43,169.43 and 17,135.54

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Solution

The fourth proportional to 31,282.19, 43,169.43 and 17,135.54 is: 23,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.19 : 43,169.43 = 17,135.54 : x
  2. Step 2: Convert to fraction form
    31,282.19/43,169.43 = 17,135.54/x
  3. Step 3: Cross multiply
    31,282.19x = 43,169.43 × 17,135.54
  4. Step 4: Simplify right side
    31,282.19x = 739,731,494.54
  5. Step 5: Solve for x
    x = 739,731,494.54/31,282.19
  6. Step 6: Final answer
    x = 23,647.05

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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.