Home / 33,305.60-45,958.40-18,400.64

Finding the Fourth Proportional to 33,305.60, 45,958.40 and 18,400.64

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Solution

The fourth proportional to 33,305.60, 45,958.40 and 18,400.64 is: 25,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,305.60 : 45,958.40 = 18,400.64 : x
  2. Step 2: Convert to fraction form
    33,305.60/45,958.40 = 18,400.64/x
  3. Step 3: Cross multiply
    33,305.60x = 45,958.40 × 18,400.64
  4. Step 4: Simplify right side
    33,305.60x = 845,663,973.38
  5. Step 5: Solve for x
    x = 845,663,973.38/33,305.60
  6. Step 6: Final answer
    x = 25,391.04

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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.