Home / 29,194.60-43,631.94-21,313.72

Finding the Fourth Proportional to 29,194.60, 43,631.94 and 21,313.72

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Solution

The fourth proportional to 29,194.60, 43,631.94 and 21,313.72 is: 31,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,194.60 : 43,631.94 = 21,313.72 : x
  2. Step 2: Convert to fraction form
    29,194.60/43,631.94 = 21,313.72/x
  3. Step 3: Cross multiply
    29,194.60x = 43,631.94 × 21,313.72
  4. Step 4: Simplify right side
    29,194.60x = 929,958,952.22
  5. Step 5: Solve for x
    x = 929,958,952.22/29,194.60
  6. Step 6: Final answer
    x = 31,853.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.