Home / 31,349.20-43,260.16-17,200.92

Finding the Fourth Proportional to 31,349.20, 43,260.16 and 17,200.92

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Solution

The fourth proportional to 31,349.20, 43,260.16 and 17,200.92 is: 23,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.20 : 43,260.16 = 17,200.92 : x
  2. Step 2: Convert to fraction form
    31,349.20/43,260.16 = 17,200.92/x
  3. Step 3: Cross multiply
    31,349.20x = 43,260.16 × 17,200.92
  4. Step 4: Simplify right side
    31,349.20x = 744,114,551.35
  5. Step 5: Solve for x
    x = 744,114,551.35/31,349.20
  6. Step 6: Final answer
    x = 23,736.32

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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.