Home / 33,277.71-45,925.11-18,171.78

Finding the Fourth Proportional to 33,277.71, 45,925.11 and 18,171.78

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Solution

The fourth proportional to 33,277.71, 45,925.11 and 18,171.78 is: 25,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,277.71 : 45,925.11 = 18,171.78 : x
  2. Step 2: Convert to fraction form
    33,277.71/45,925.11 = 18,171.78/x
  3. Step 3: Cross multiply
    33,277.71x = 45,925.11 × 18,171.78
  4. Step 4: Simplify right side
    33,277.71x = 834,540,875.21
  5. Step 5: Solve for x
    x = 834,540,875.21/33,277.71
  6. Step 6: Final answer
    x = 25,078.08

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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.