Home / 31,273.73-43,157.81-16,933.71

Finding the Fourth Proportional to 31,273.73, 43,157.81 and 16,933.71

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Solution

The fourth proportional to 31,273.73, 43,157.81 and 16,933.71 is: 23,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,273.73 : 43,157.81 = 16,933.71 : x
  2. Step 2: Convert to fraction form
    31,273.73/43,157.81 = 16,933.71/x
  3. Step 3: Cross multiply
    31,273.73x = 43,157.81 × 16,933.71
  4. Step 4: Simplify right side
    31,273.73x = 730,821,754.11
  5. Step 5: Solve for x
    x = 730,821,754.11/31,273.73
  6. Step 6: Final answer
    x = 23,368.55

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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.