Home / 49,964.20-74,937.66-18,799.72

Finding the Fourth Proportional to 49,964.20, 74,937.66 and 18,799.72

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Solution

The fourth proportional to 49,964.20, 74,937.66 and 18,799.72 is: 28,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,964.20 : 74,937.66 = 18,799.72 : x
  2. Step 2: Convert to fraction form
    49,964.20/74,937.66 = 18,799.72/x
  3. Step 3: Cross multiply
    49,964.20x = 74,937.66 × 18,799.72
  4. Step 4: Simplify right side
    49,964.20x = 1,408,807,025.46
  5. Step 5: Solve for x
    x = 1,408,807,025.46/49,964.20
  6. Step 6: Final answer
    x = 28,196.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.