Home / 31,273.81-43,157.88-16,933.77

Finding the Fourth Proportional to 31,273.81, 43,157.88 and 16,933.77

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Solution

The fourth proportional to 31,273.81, 43,157.88 and 16,933.77 is: 23,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,273.81 : 43,157.88 = 16,933.77 : x
  2. Step 2: Convert to fraction form
    31,273.81/43,157.88 = 16,933.77/x
  3. Step 3: Cross multiply
    31,273.81x = 43,157.88 × 16,933.77
  4. Step 4: Simplify right side
    31,273.81x = 730,825,613.61
  5. Step 5: Solve for x
    x = 730,825,613.61/31,273.81
  6. Step 6: Final answer
    x = 23,368.61

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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.